Posted on: June 3, 2024 Posted by: Comments: 0

When it comes to footwear, we often focus on the upper part – the design, the material, and the overall aesthetic appeal. However, the foundation of any good pair of shoes lies in the sole. Shoe soles play a crucial role in providing comfort, support, and durability.

Materials Used to Make Soles:

Polyurethane (PU)

Known for its lightweight and shock-absorbing qualities, PU soles provide comfort without compromising on durability.

Advantages of polyurethane (PU) soles:


Disadvantages of polyurethane (PU) soles:

lacks breathability;
less flexible than other materials;
poor grip on snow and ice.

Thermoplastic Polyurethane (TPU)

TPU soles are resilient and resistant to abrasion, making them suitable for outdoor and performance footwear.

Advantages of TPU soles:

resilient and abrasion-resistant;
suitable for outdoor use;
retains flexibility in cold temperatures.

Disadvantages of TPU soles:

poor thermal insulation and elasticity;
not lightweight.

Thermoplastic Elastomer (TPE)

TPE soles combine the flexibility of rubber with the durability of plastic, offering a versatile option for various shoe types.

Advantages of TPE soles:

combines rubber-like properties with plastic durability;
good shock absorption and traction;
environmentally friendly.

Disadvantages of TPE soles:

loses its properties at high (over 122°F) and low (below -49°F) temperatures;
not suitable for safety shoes.

Polyvinyl Chloride (PVC)

PVC soles are cost-effective and easy to mold, but they may lack the durability and flexibility of other materials.

Advantages of PVC soles:

easy to mold into various shapes.

Disadvantages of PVC soles:

lacks flexibility.
less durable;
low frost resistance (not suitable below -4°F).

Ethylene-vinyl Acetate (EVA)

EVA soles are lightweight, cushioned, and comfortable, making them popular for casual and athletic shoes.

Advantages of EVA soles:

lightweight and cushioned;
comfortable for all-day wear;

Disadvantages of EVA soles:

wears out faster;
slippery and not frost resistant;
not suitable for winter.


Known for its premium feel, leather soles offer a sophisticated touch and excellent breathability, though they may wear out faster than some synthetic options.

Advantages of leather soles:

premium look and feel;

Disadvantages of leather soles:

easily subject to deformation;
requires much more careful care (sprays, cremes, impregnations, etc.);
not suitable for wet and rainy weather.


Being a synthetic material, tunit offers a balance between durability and flexibility, making it suitable for a variety of shoe styles.

Advantages of tunit soles:

balances durability and flexibility;
versatile for various shoe styles;
almost never wash off or get wet.

Disadvantages of tunit soles:

very slippery due to its high rigidity;
suitable only for spring/summer footwear.


Wooden soles provide a unique aesthetic and are often used in fashion-forward footwear, though they may lack the comfort of more modern materials.

Advantages of wooden soles:

original appearance and unique aesthetic;
low price.

Disadvantages of wooden soles:

wears out quickly;
poor water resistance;
subject to quick deformation;
limited flexibility;
much less comfortable to wear.

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