Nike SB Mens Shoe Bruin ReactJade Smoke / Black-Jade Smoke CJ1661-300 The new lightweight, flexible shoe- the Nike SB Bruin React. It's a durable low-top with springy, responsive Nike React foam. Suede on the forefoot puts durability where you need it the most. Fabric on the 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 insole 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.