The Nike Shox NZ is designed for the sneaker enthusiast who loves the ride and responsive feel of classic running shoes, but wants a lighter, faster, and more nimble ride.The upper is made of a fitted one-piece construction for a sleek profile. The heel features a Nike Shox™ four column cushioning unit absorbs shock. The outsole is made of BRS 1000 carbon rubber with a modified circular Waffle® for comfortable, daily traction. Wt. 9.5 oz.