The Nike Shox NZ running shoe is engineered for the runner who wants a lighter, faster and more nimble ride. Simple one-piece innersleeve upper construction provides dynamic fit, perforated synthetic frame is linked with ghillie lacing system wraps and locks the foot to the midsole. Nike Shox four column cushioning unit in the heel, Phylon forefoot adds light performance and responsive ride. Full-length BRS 1000 carbon rubber outsole with modified circular Waffle pattern, enhanced deflection through geometric pods, tacky Waffle Fill outsole offers better traction on the road. Removable insole. Wt. 10.8 oz.