The Nike Shox Turbo 13 running shoe is for the runner who wants to make a bold statement without sacrificing comfort and performance. Innovative, no sew upper with targeted overlays that deliver lightweight, breathable comfort and flexible support. Nike Shox� cushioning provides impact protection and a smooth ride, with a light, flexible Cushlon forefoot. BRS 1000� carbon rubber heel with an environmentally preferred rubber Waffle� outsole throughout for traction. Flex grooves offer a smooth transition.