Suede on the forefoot puts durability where you need it the most. Nylon on the heel and midfoot breathes to help your feet stay cool. The material is reinforced in high-wear areas to help reduce blowouts. A drop-in Nike React midsole is made from a lightweight, durable foam that delivers a smooth, responsive ride. New cupsole design is more flexible than a standard rubber cupsole. A zonal herringbone traction pattern adds flexibility and durability where you need it the most.