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.