8 materials for bare shoe soles: from rubber to MD
Shoes are popular products in international trade. However, many importers often focus on appearance and price, while overlooking the importance of the sole. In reality, the sole material of a shoe plays a crucial role in comfort, durability, and more.
Let's delve into the different sole materials to learn about their advantages and applications, so you can make the right choice for your footwear business.
Five considerations when choosing shoe sole materials
Eight common types of shoe sole material (+ images)
Five considerations when choosing shoe sole materials
Grip strength
Grip strength is crucial when it comes to shoe sole materials for a variety of activities and environments. For outdoor sports or scenarios that require good grip, such as hiking, mountaineering, or running, it would be more appropriate to choose soles made of rubber or specialized rubber compounds with excellent traction.
Durability
Soles must be durable to maintain their performance over time. Durable materials, such as rubber, can resist friction and abrasion, thus prolonging the sole's lifespan.
Shock absorption
The shock-absorbing properties of shoe sole materials are crucial for reducing the impact of the ground on the body, thus minimizing foot and joint fatigue. Some high-performance materials, such as EVA or PU, possess excellent shock absorption capabilities.
Stability
The stability of shoe sole materials affects foot support and balance. In activities that require good stability, such as basketball, tennis, or soccer, choosing materials with greater stability, such as rubber or TPU, can provide better support and control.
Lightness
For certain activities or needs, lightweight shoe sole materials can provide a more comfortable wearing experience, reducing strain and fatigue. Some lightweight materials, such as EVA foam, can reduce the overall weight of shoes.
Eight common types of shoe sole material (+ images)
Depending on the type and purpose of the shoes, there are different materials available for making high-quality shoe soles. Here, I've listed 8 common shoe sole materials for your reference.
Rubber sole material
Rubber soles are one of the most common and widely used materials. They are known for their flexibility, excellent elasticity, waterproofing, slip resistance, and durability. However, they are relatively heavy and may have a distinctive tire-like odor. Soles made of this material are commonly used in the production of rain boots, hiking shoes, and outdoor footwear.
Leather sole material
Leather soles are generally made of natural or synthetic leather. This sole material offers a stylish appearance and good breathability, making it commonly used in fashion and formal footwear.
Compared to all other types of sole materials, leather soles are more expensive and prone to wear. In certain environments, such as wet or slippery surfaces, they may lack traction and slip resistance.
EVA sole material
Ethylene vinyl acetate (EVA) soles are lightweight, provide comfortable foot support, and provide shock absorption. However, one drawback is that they can be slippery.
Popular Crocs also primarily utilize this material. It's also often used in the midsoles of running shoes to reduce foot fatigue and impact.
TPR sole material
Thermoplastic rubber (TPR) is a composite material that combines the advantages of both rubber and plastic.
These soles are known for their excellent slip resistance. However, they may not offer the same level of comfort as other materials. TPR is commonly used as the primary sole material for flip-flops, sandals, and indoor footwear.
PU sole material
Polyurethane (PU) is known for its good abrasion and slip resistance in shoe soles. Polyester-based soles are not water-resistant, prone to yellowing, cracking, and have poor breathability. These sole materials are commonly used in the manufacture of high-end leather shoes, athletic shoes, and travel shoes.
TPU sole material
Thermoplastic polyurethane (TPU) is a relatively hard material, known for its excellent abrasion and puncture resistance. TPU soles can be manufactured in a variety of colors, including transparent options. These sole materials are suitable for special-purpose footwear, such as work boots and soccer cleats.
PVC sole material
Polyvinyl chloride (PVC) is a synthetic plastic material that is inexpensive and easy to produce in large quantities. However, PVC has some drawbacks. It is relatively rigid and has poor breathability. As a result, it is commonly used in the manufacture of sandals, flip-flops, water shoes, and some low-cost footwear options.
MD sole material
MD is also known as Phylon sole. It is a lightweight shoe sole material with good elasticity and impact resistance. It is a secondary foam material derived from EVA, which is injected into molds and undergoes two rounds of high-temperature curing. Many lightweight walking shoes feature an MD sole design.
