E-TPU vs EVA
THE PRESENT The majority of today’s midsoles and insoles are made with EVA (ethylene vinyl-acetate). EVA is a lightweight material known for being both flexible and cushioning. EVA based footwear poses a significant problem: to increase cushioning you must soften the material, sacrificing response and durability. To increase response and durability you must harden the material, sacrificing cushion. Several brands try to find a perfect medium leaving the consumer with little cushion and durability. Typical EVA footwear rarely lasts beyond half a year. THE FUTURE E-TPU (expanded thermoplastic polyester-urethane) is a new material that changes the dynamics of traditional footwear....