TPR vs Eva Sole – What you need to know about it.

Introduction

When it comes to footwear, the choice of sole material holds great significance. In this section, we will explore the importance of sole materials in footwear and provide an overview of the different options available.

From the impact on comfort and durability to considerations of style and performance, understanding the role of sole materials is crucial for making informed decisions when it comes to choosing the right footwear. So let’s dive in and discover the essential aspects of this vital component of our shoes.

Importance of sole material in footwear

The importance of sole material in shoes cannot be stressed enough! It has a huge role in the quality and functionality. Different sole materials possess certain features that affect the durability, flexibility, traction, cost, and comfort. Knowing this is essential for manufacturers, retailers, and consumers.

Durability and wear resistance are key. Pick a material that can handle constant use and protect the feet. TPR, EVA, and rubber each have their own level of durability and wear resistance.

Flexibility and shock absorption are vital. The sole material should be flexible enough to allow natural foot movement, while still absorbing shock. TPR, EVA, and rubber each have distinct characteristics for this.

Traction and slip resistance are also essential for safety. Each material has different performance regarding traction and slip resistance.

Comfort and cushioning are important too. Cushioning helps absorb impact and offers comfort during prolonged use. TPR, EVA, and rubber differ in these features.

Price and cost should also be considered. The manufacturing cost and retail price of footwear depend on the chosen sole material. It is important to understand the cost implications and market pricing of each material.

Let us not forget the importance of sole material in providing quality, performance, and comfort.

Overview of different sole materials

Sole materials are essential for footwear quality and performance. There’s a range of options on the market, each with distinct properties and functionalities to fit various needs and preferences.

Let’s take a look:

• TPR Sole: Thermoplastic Rubber (TPR) is a durable and flexible material, providing great traction and slip resistance. It’s suitable for many uses.
• EVA Sole: Ethylene-vinyl acetate (EVA) is lightweight and cushioned, perfect for activities like sports that require high impact protection.
• Rubber Sole: Rubber soles are durable and offer excellent grip on various surfaces. They’re commonly used in outdoor footwear like hiking boots and work shoes.

Each sole material has its own pros and cons. TPR soles have good abrasion resistance but not much cushioning, whereas rubber soles are heavy but very durable.

Now, let’s hear a real story! It illustrates how choosing the right sole material can make a big difference in one’s footwear experience.

TPR Sole: The one-stop solution for every shoe – except if you’re looking for a soul!

TPR Sole

TPR sole, also known as thermoplastic rubber sole, is a versatile and widely-used material in the footwear industry. In this section, we will delve into the definition and characteristics of TPR sole, explore its diverse applications in footwear, and weigh the pros and cons of using this type of sole. So, let’s dive into the world of TPR sole and unravel its significance in footwear manufacturing.

Definition and characteristics of TPR sole

TPR sole is a material used for footwear. It stands for thermoplastic rubber, a blend of plastic and rubber. This mix offers flexibility, durability, and slip resistance.

TPR soles are popular due to their properties. They provide good traction on multiple surfaces, making them suitable for different types of shoes. Plus, they are flexible for comfortable movement and easy bending.

Designers love TPR soles too. They can be molded into different shapes, allowing for stylish shoe designs. They also have a smooth finish and come in a variety of colors, adding visual appeal.

Plus, TPR soles are durable and wear-resistant, making them ideal for long-lasting footwear, such as casual shoes or sneakers.

Remember, when selecting footwear with TPR soles, consider the specific needs of your feet and the purpose of the shoes. Think about durability, flexibility, traction, and comfort, to make sure you get the right shoe.

Applications of TPR sole in footwear

TPR sole has a lot of uses in footwear. It is popular because it is strong, bendable and good for grip. You can get TPR soles in athletic shoes, casual shoes, boots, sandals and heels. See the table below for details:

Footwear Type	Application of TPR Sole
Athletic shoes	Offers great grip and traction
Casual shoes	Gives comfort and flexibility
Boots	Long-lasting and stands up to weather
Sandals	Slip-resistant and comfy
Heels	Stability and shock absorption

TPR soles are great for many types of footwear as they can do different jobs. They can give you the features you need for various activities and occasions.

And, TPR soles are also used in special footwear like work boots and safety shoes. These need extra qualities like oil resistance, heat resistance and puncture protection. TPR soles are perfect for this.

When selecting footwear with TPR soles, remember to think about what you need and want. The right sole material can help the shoe to last longer and do more.

Don’t miss out on the advantages that TPR soles give. Get quality footwear with TPR soles and enjoy improved grip, comfort, flexibility, durability and more.

Pros and cons of TPR sole

TPR sole is a go-to choice for footwear, offering many benefits and few drawbacks. Knowing the upsides and downsides of TPR soles can help you make the right decision for your footwear needs.

Pros:

• Durable – they are tough, lasting many wears without wearing out.
• Flexible – allowing natural foot flexion and comfortable movement.
• Shock absorption – providing cushioning to reduce fatigue.
• Traction – textured pattern design gives stability and grip.
• Easy to clean – just wipe down with a damp cloth.

Cons:

• Environmental impact – not biodegradable.

All-in-all, TPR soles have many advantages that make them a good choice for footwear. Considering the pros and cons can aid in making the best decision for your shoe needs.

EVA Sole

EVA sole, an essential component in footwear, boasts unique characteristics that make it a popular choice among manufacturers. In this section, we’ll dive into the definition and distinct features of EVA sole. We’ll explore its wide range of applications in the footwear industry and weigh its pros and cons. Get ready to uncover the fascinating world of EVA sole and its significance in the realm of footwear.

Definition and characteristics of EVA sole

EVA sole, also known as Ethylene-vinyl acetate sole, is a go-to material for shoes. It’s made from a mix of ethylene and vinyl acetate. It’s light and absorbent, reducing pressure on the feet and providing comfort. EVA sole is flexible, allowing natural foot movement and no stiffness.

EVA sole is used in many types of shoes. Athletic shoes like running shoes benefit from its shock absorbing and cushioning power. Casual shoes and sandals use it too, as it’s comfortable and flexible. It can be molded into various shapes and styles.

It’s not as long-lasting as rubber soles, but it’s lightweight. That can make up for it in some cases. Plus, it’s more resistant to wear than TPR (thermoplastic rubber).

When picking shoes with EVA sole, think about what they’re for. Everyday use? EVA is great. More intense activities? You may want rubber soles for extra durability and grip.

Applications of EVA sole in footwear

EVA sole is a popular choice for many footwear products. Its unique properties make it ideal for sports shoes, such as running, hiking, and tennis shoes. Its lightweight and shock-absorption capabilities offer comfort and support during physical activities.

Additionally, EVA sole is widely used in casual and fashion shoes. Its versatility allows designers to create fashionable yet comfortable shoes. The cushioning effect gives a soft feel while walking, perfect for everyday use.

EVA sole is also used for children’s shoes. The soft material cushions and protects little feet. The flexibility of EVA sole lets kids move around easily and promotes healthy foot development.

In conclusion, EVA sole is suitable for many types of footwear. Its lightweight nature, shock absorption, versatility, cushioning effect, and flexibility make it a popular choice. So, walk on sunshine with EVA soles, but watch out for its cons!

Pros and cons of EVA sole

EVA sole, aka Ethylene-Vinyl Acetate sole, has pros and cons that should be weighed up when deciding to use it for shoes.

Benefits of EVA sole include:

• Lightweight for comfy movement.
• Shock absorption to reduce foot and joint strain.
• Flexible for natural foot movement.
• Cushioning for extra comfort.
• Water and moisture resistance, great for outdoors.
• Can be molded for versatile shoe design.

Yet, EVA soles might not be as tough as other sole materials like rubber or TPR. Also, due to the softness, they may experience more wear and tear than sturdier materials. Plus, they won’t provide the best grip on slippery surfaces.

Rubber Sole

Rubber soles, known for their durability and flexibility, play a crucial role in the footwear industry. In this section, we’ll uncover the definition and characteristics of rubber soles, explore their diverse applications in footwear, and weigh the pros and cons associated with this popular sole material. Get ready to walk on solid ground as we dive into the world of rubber soles.

Definition and characteristics of rubber sole

Rubber soles: Durable, flexible, and offering superior traction. Perfect for a wide array of applications. From casual wear to athletic sneakers, you can count on them for comfort, protection, and stability. Plus, they’re easy to maintain and clean, so you won’t need to worry about grime or dirt. With rubber soles, you won’t find yourself slipping, sliding, or kissing the pavement anytime soon!

Applications of rubber sole in footwear

Rubber soles are widely utilized in the footwear business for their various applications and advantages. They provide superior grip on different surfaces, making them perfect for running, training, and other sports activities. Rubber soles also offer excellent traction on slippery surfaces, ensuring the safety of workers in various industries. Plus, they can withstand rough terrains and provide stability and comfort during long walks or hikes. Lastly, rubber soles are often used in children’s shoes to give better grip and support during playtime activities.

Rubber soles have been proven effective in avoiding slips and falls, rendering them a favored choice for many individuals who prioritize safety and performance in their footwear. They supply durability, flexibility, stability, and comfort across different types of shoes. In short, rubber soles have extensive applications due to their outstanding traction properties. From athletic shoes to work boots to children’s footwear, rubber soles give the needed grip and support needed for multiple activities and environments.

Pros and cons of rubber sole

Rubber soles have pros and cons. Advantages include:

• Durability
• Wear resistance
• Flexibility
• Shock absorption
• Good traction
• Slip resistance
• Cushioning
• Comfort

Disadvantages include:

• Heaviness compared to TPR or EVA
• Higher cost

Rubber soles may be heavier and more expensive than other materials, but they offer good durability, flexibility, and cushioning.

Comparison of TPR, EVA, and rubber soles

When it comes to the soles of your shoes, understanding the differences between TPR, EVA, and rubber is essential. In this comparison, we will explore the key aspects of durability, flexibility, traction, comfort, and cost for each type of sole. Discover which sole material offers the best wear resistance, shock absorption, slip resistance, cushioning, and value for your footwear needs.

Durability and wear resistance

The table below reveals the durability and wear resistance of TPR, EVA, and rubber soles.

Material	Durability	Wear Resistance
TPR	Strong and long-lasting	Moderate
EVA	Not as durable	Moderate
Rubber	Highly durable	High

TPR soles are renowned for their strength and endurance. They possess moderate wear resistance, making them perfect for everyday use. EVA soles, in contrast, have less durability than TPR and moderate wear resistance. Rubber soles, however, are highly durable and provide high levels of wear resistance.

Though TPR and rubber soles both offer similar durability, rubber soles are more superior when it comes to wear resistance. The construction and composition of rubber soles make them more durable than TPR and EVA soles.

It is important to remember that, while TPR may not offer as much wear resistance as rubber soles, they are still suitable for regular use. The choice between these materials depends on the wearer’s specific needs and preferences.

Flexibility and shock absorption

A sole material must be flexible. It must easily bend and flex with each step, for comfort and no restrictions in movement. It must also absorb shocks and reduce the impact on the feet. For this, TPR (thermoplastic rubber) and EVA (ethylene-vinyl acetate) soles are great options. They offer softness and firmness, for comfortable movements and protection. EVA soles are lightweight and perfect for athletic shoes. Rubber soles are durable, but may not be as flexible or shock-absorbent. However, they can be designed with air pockets or gel inserts to enhance shock-absorbing capabilities.

Traction and slip resistance

Including traction and slip resistance in footwear is key. There are various sole materials providing these features. TPR soles are known for their grip, working on both wet and dry surfaces to reduce slipping. EVA soles provide good slip resistance due to their unique composition. They cushion impact and maintain stability. Rubber soles are great for durability and traction. Their high friction coefficient ensures a secure grip. Both TPR and EVA soles are flexible, conforming to different surfaces. This improves traction and minimizes slips. They also absorb shock, aiding stability and balance.

Considering traction, slip resistance, comfort, cushioning, durability, cost-effectiveness, and intended use can help determine the best sole material. In the past, accidents have occurred from inadequate traction and slip resistance. Innovative materials like TPR and EVA have been developed to improve grip and stability. Finding the right sole material is like finding the perfect pillow for your feet.

Comfort and cushioning

TPR sole, or thermoplastic rubber sole, is renowned for its cushioning qualities. It has a comfy, soft feel underfoot. Its flexibility contours to the shape of your foot, providing tailored support and minimizing fatigue when worn for extended periods. Plus, it has great shock absorption properties.

EVA sole, or ethylene-vinyl acetate sole, is also famed for its comfort and cushioning. It’s lightweight, which enhances wearing comfort. EVA is great at absorbing shocks, and spreads pressure evenly across your foot. This helps reduce strain on joints and muscles, making it ideal for long periods of standing or walking.

TPR and EVA soles both offer great comfort and cushioning. But don’t forget rubber soles! They provide excellent shock absorption and cushioning, plus they are highly durable.

You’ll have to invest in the right sole material, as cheap isn’t always cheerful when it comes to your feet!

Cost and pricing

The cost and pricing of sole materials in footwear have a big influence on decisions made by manufacturers and consumers. There are various sole materials, such as TPR, EVA, and rubber. Each has different cost and pricing due to various reasons.

To get a better understanding of the cost and pricing, let’s examine the characteristics and applications of every sole material. TPR (thermoplastic rubber) is usually cheaper than other materials. It offers good durability and wear resistance, so it’s good for a lot of footwear purposes. EVA (ethylene-vinyl acetate) is a bit pricier because it has superior cushioning properties. So, it’s commonly used in athletic shoes for comfort. Rubber soles have variable pricing, based on things like the type of rubber and how it’s made.

Here’s a handy table for a quick overview of the cost and pricing of these sole materials:

Sole Material	Cost	Pricing
TPR	Affordable	Moderate
EVA	Slightly more expensive	Higher
Rubber	Variable	Variable

As you can see, TPR is usually cheaper than EVA. The price of rubber varies depending on factors like type of rubber and the production process. This table is a great guide for those considering the money involved in sole material selection.

More than just cost, there are other elements that can affect pricing. Things like the market demand for the sole material, availability of raw materials, and labor costs in different regions or countries. All of these can affect the price of footwear.

To make the right decisions, it’s essential to consider all these factors. By understanding the cost and pricing dynamics, you can make informed choices that fit your budget without sacrificing quality, durability, and performance.

Time to put your shoe shopping skills to the test! Choose the best sole material for every situation!

Choosing the right sole material for different purposes

When it comes to selecting the right sole material for different purposes, understanding the unique characteristics of each can make all the difference. In this section, we’ll explore how various sole materials cater to specific shoe types, such as running and athletic shoes, casual and fashion shoes, as well as children’s shoes. Prepare to uncover the fascinating details behind the perfect sole choices for every footwear need.

Running and athletic shoes

Durability and wear resistance: Running and athletic shoes need a sole material that is tough and can handle the repeated shock of running or intense physical activity. TPR, EVA, and rubber soles are known for their strength.

Flexibility and shock absorption: The sole material should be flexible enough to permit natural foot movements while providing cushioning to absorb shock from running. EVA soles are great for both flexibility and shock absorption, giving a comfortable running experience.

Traction and slip resistance: It’s key for running shoes to have good grip to prevent slips on different surfaces. Rubber soles have superior grip capabilities, making them ideal for running and athletic footwear.

Comfort and cushioning: Running involves continual motion which can put pressure on the feet. The sole material of running shoes must offer adequate cushioning and comfort. Both EVA and rubber soles provide excellent cushioning features, ensuring comfort during long-distance runs or intense workouts.

To pick the correct sole material for running shoes, it’s essential to think about individual runners’ requirements. Things like foot type, pronation, arch support needs, and personal preferences should be taken into account.

For optimal performance and support, professionals or experts in sports shoe retail stores can be consulted. Gait analysis tests can be done to understand an individual’s biomechanics. This helps recommend the most suitable sole material that suits their running style and needs.

Casual and fashion shoes

Casual and fashion shoes prioritize comfort and style. Sole materials such as TPR (thermoplastic rubber), EVA (ethylene vinyl acetate), and rubber are often used.

TPR soles offer traction, slip resistance, flexibility, and shock absorption for stability. Plus, they are easily molded into different shapes for unique designs.

EVA soles are lightweight and provide exceptional cushioning. They absorb shock, allowing for natural foot movement and greater comfort.

Rubber soles are durable and have great wear resistance. They provide reliable traction on wet and dry surfaces, as well as cushioning for extra comfort.

When selecting the sole material for casual and fashion shoes, consider the intended use, personal preferences, and budget. This will help you make an informed choice and find the perfect sole material.

Children’s shoes

The significance of deciding on the correct sole material for kids’ shoes is immense. It has a key role in giving comfort, support, and protection for growing feet. Since kids have unique needs and activities, it’s essential to pick materials that are durable, flexible, shock-absorbent, traction-giving, comfortable and affordable.

Safety and comfort should be top priority when selecting sole materials for kids’ shoes. Parents must consider:

• Durability: Kids are always on their feet, so the sole material should be able to handle rough usage.
• Flexibility: To accommodate natural movement and foot development.
• Shock absorption: To protect feet from impact-related injuries.
• Traction: To prevent slips and falls.
• Comfort: So that their sensitive skin won’t get irritated.
• Affordability: To fit the family budget.

One mother’s story shows how vital it is to select the right sole material for kids’ shoes. On a rainy day, she bought her 7-year-old daughter a pair with a rubber sole. It provided excellent traction, preventing any slips. It was also flexible and comfortable enough for outdoor activities. This highlights the importance of picking materials that prioritize safety and make wearing shoes enjoyable for kids.

Testing and differentiation of TPR and rubber soles

• Press and grind test: This test involves applying pressure and grinding on the sole to assess its durability and resistance to wear. It helps determine if the sole is TPR or rubber based on its response to the test.
• Smell test: The smell test involves sniffing the sole to determine if it has a distinct odor. Rubber soles typically have a distinctive rubbery smell, while TPR soles may have a different scent.
• Feel test: The feel test involves touching and flexing the sole to assess its texture and flexibility. Rubber soles tend to be softer and more flexible compared to TPR soles, which are usually stiffer and harder.
• Visual observation: A visual observation is made to identify any visible differences between TPR and rubber soles. This may include examining the texture, color, and overall appearance of the sole.

These tests provide valuable insights into the characteristics and performance of each type of sole and help in differentiating TPR and rubber soles based on their unique features and properties.

Let’s dive into the details and discover the factors that distinguish TPR and rubber soles.

Press and grind test

The Press and grind test examines the performance of TPR and rubber soles. It looks at their ability to withstand pressure and grinding forces. A comparison of these parameters gives a full view of the pros and cons of each material.

• Pressure Resistance: Moderate for TPR, High for Rubber
• Grinding Resistance: Good for TPR, Excellent for Rubber
• Deformation: Minimal for both
• Wear Resistance: Fair for TPR, High for Rubber

By running the Press and grind test, decisions can be made about which sole is best for the job. This knowledge can help create footwear that perfectly suits the needs.

Now, it’s time to do the “smell test” and see if these soles pass the test!

Smell test

The sense of smell is a significant part of testing and differentiating sole materials for footwear. Smell tests are important for determining the composition and quality of sole materials. A particular smell can show the presence of chemicals and additives. Unpleasant odors could imply low-quality or hazardous substances in the manufacturing. Certain sole materials like rubber may have a familiar rubbery scent. A strong, bad smell might suggest the release of VOCs from the sole material, posing a risk to consumers. On the other hand, a mild odor may signify a processed and high-quality sole material.

Manufacturers often strive to reduce any undesired smells as it can affect the customer’s satisfaction and view of the footwear’s quality. Smell tests give insights into the composition and potential issues of different sole materials. Knowing the odor profile of various materials is important for ensuring consumer safety, comfort, and satisfaction. It is essential to consider all evaluation methods, including the smell test, for making informed decisions when selecting sole materials.

Pay attention to all aspects of sole evaluation techniques to avoid missing out on details that can affect product quality or customer satisfaction. Utilize smell tests to get a comprehensive understanding of different sole materials before taking any action on footwear production. Go ahead and do the ‘Feel test’ to find the sole that best suits your feet!

Feel test

The ‘Feel Test’ assesses the tactile perception and texture of different sole materials used for footwear. People evaluate the comfort and sensation of each sole type. It involves touching and feeling the surface for rough or uneven areas. Assessing the flexibility is also part of it. The sole’s ability to absorb shock is tested, plus sensations like warmth or coolness. Moisture-wicking properties, breathability, and odor control are also considered. We use our sense of touch to determine comfort when wearing shoes.

The Feel Test helps us make informed decisions when choosing shoes for different activities. Visual observation is also important to decide which sole material wins.

Visual observation

A table can be used to understand visual observation better. It can have columns like Sole Material, Appearance, Texture, Color Options and Quality Assessment.

In the “Sole Material” column, list each material, like TPR, EVA and rubber, to compare their visuals. The “Appearance” column would describe the look of the sole. The “Texture” column would show any patterns in the material. The “Color Options” column would show the colors available. Lastly, in the “Quality Assessment” column, any issues in the material’s look can be noted.

Other things to consider for visual observation include wear and tear of the material due to usage or other factors. Also, check for any abnormalities or defects that might affect the functionality or life of the footwear.

Visual observation can help manufacturers and consumers decide the best sole material for different types of footwear.

Conclusion

When it comes to choosing the right sole material for footwear, there are several factors to consider. In this conclusion, we will provide recommendations for different factors to help you make an informed decision. We will also share our final thoughts on the comparison between TPR and EVA soles, giving you a well-rounded understanding of each option. So, whether it’s durability, comfort, or cost-effectiveness, we’ve got you covered. Let’s dive in and find the perfect sole material for your footwear needs.

Recommendation for sole material based on different factors

When selecting footwear, consider the sole material carefully. Different materials have distinct characteristics and behave differently in various situations. To figure out the best sole material, think about factors like durability and wear resistance, flexibility and shock absorption, traction and slip resistance, comfort and cushioning, cost and pricing.

A table can be made to compare the different sole materials (TPR, EVA, and rubber) against these criteria.

We must also consider unique details not discussed in previous sections. These could include environmental impact or industry regulations. By looking at these as well as earlier sections, we can make a comprehensive recommendation for the ideal sole material for different footwear purposes.

Final thoughts on TPR vs EVA sole for footwear

TPR and EVA are two common sole materials in footwear. Considerations when choosing between them include durability, flexibility, traction, comfort, and cost.

1. In terms of durability, TPR soles provide excellent abrasion resistance. Good for outdoor use or tough conditions. EVA soles offer a balance between comfort and longevity.
2. EVA soles excel in flexibility and shock absorption. Ideal for athletic shoes or comfort. TPR offers some degree of these, but not as much as EVA.
3. Both TPR and EVA provide decent traction. TPR generally offers better grip on wet or slippery surfaces.
4. EVA wins in terms of comfort and cushioning, being lightweight and molding to the foot shape over time. TPR provides cushioning, but not the same level of long-lasting comfort as EVA.
5. Price-wise, TPR soles tend to be more affordable compared to EVA. If cost is a deciding factor, TPR soles might be suitable.

Some Facts About TPR vs. EVA Soles:

• ✅ TPR soles are made from a thermoplastic rubber material that has properties of rubber and can be processed and recycled. They are heavy and inexpensive. (Source: Team Research)
• ✅ EVA soles are made from a light elastic chemical synthetic substance that is easy to shape and cheap. (Source: Team Research)
• ✅ TPR soles are used in leather soles, children’s soles, and fashion soles, while EVA soles are used in jogging soles, leisure soles, and sport soles. (Source: Team Research)
• ✅ EVA soles have water resistance, corrosion resistance, processability, anti-vibration, heat preservation, and sound insulation properties. (Source: Team Research)
• ✅ PU soles are more durable than rubber soles, more resistant to abrasion and compression than EVA soles, more breathable and durable than leather soles, and provide better grip and texture than PVC soles. (Source: Team Research)

FAQs about TPR Vs Eva Sole

What is the difference between TPR and EVA sole?

TPR (thermoplastic rubber) and EVA (ethylene-vinyl acetate) are both materials used for making footwear soles. TPR sole is a heavy and inexpensive material that has properties of rubber and can be processed and recycled. On the other hand, EVA sole is a lightweight and cheap synthetic substance that is easy to shape. While TPR soles are commonly used in leather soles, children’s soles, and fashion soles, EVA soles are used in jogging soles, leisure soles, and sport soles.

Which sole material is best for sport shoes?

When it comes to sport shoes, PU (polyurethane) soles are considered the best choice. PU soles are flexible, shock-resistant, wear-resistant, and provide good traction. They offer cushioning comfort and are ideal for running, jogging, and other sports activities.

Do TPR soles absorb moisture?

No, TPR (thermoplastic rubber) soles do not absorb moisture. They are not known for their moisture-absorbing properties. If you’re looking for a sole material that can absorb moisture, EVA (ethylene-vinyl acetate) soles are a better choice as they have water resistance and moisture-absorbing properties.

Do TPR soles shrink over time?

Yes, TPR (thermoplastic rubber) soles can shrink over time with use. As a result, they may not maintain their original shape and size after prolonged usage.

Are TPR soles suitable for trial running shoes?

No, TPR (thermoplastic rubber) soles are not suitable for trial running shoes. They are heavy and do not provide sufficient cushioning or shock absorption, which are important factors for trial running shoes. Instead, EVA (ethylene-vinyl acetate) soles are recommended for trial running shoes due to their top-notch shock absorption properties and slip resistance on various surfaces.