When it comes to durability, there are several materials commonly used in sports insoles that offer good resilience. Here are some durable materials often used:
1. Ethylene-vinyl acetate (EVA): EVA is a lightweight and flexible material that provides excellent shock absorption and cushioning. It is widely used in sports footwear due to its durability and ability to retain its shape over time.
2. Polyurethane (PU): PU is another popular material used in sports insoles. It offers exceptional durability and resists compression, making it suitable for high-impact activities. PU insoles tend to be more rigid compared to EVA, providing added stability and support.
3. TPU (Thermoplastic polyurethane): TPU is a versatile material that combines the properties of EVA and PU. It offers excellent durability, shock absorption, and stability. TPU insoles can withstand heavy use and maintain their performance over extended periods.
4. Gel inserts: Gel inserts are often incorporated into sports insoles to enhance cushioning and comfort. These inserts are made from a viscoelastic gel that provides excellent shock absorption properties. While gel inserts can add durability to the overall insole design, they may not be as long-lasting as other materials mentioned above.
Remember, the durability of sports insoles depends not only on the material but also on factors such as usage intensity, maintenance, and individual foot mechanics. It’s a good idea to consider your specific needs and consult with a podiatrist or sports professional for personalized recommendations.