In the Nike FREE 4.0 v2 running shoe, support meets flexibilit for a comfortable, barefoot-like run. Seamless upper provides exceptional comfort and fit. Asymmetrical lacing system is offset to the lateral side of the foot to help reduce pressure over the top of the foot for enhanced comfort. Flex groove design enhances natural range of motion. Minimalistic, molded sockliner mimics the curvature of the foot to provide a great fit, enhance comfort, and add support. Solid rubber pods on the medial toe offer durability and traction. WaffleŽ outsole enhances traction and durability while also encouraging a more neutral and efficient toe-off. 6MM offset delivers a low, cushioned, barefoot-like feel. Wt. 7.7 oz.