Nike Wmns Free Advantage White Purple Womens Training Shoes 512237-100 One-piece, seamless mesh and synthetic upper with strategic perforations for a breathable, supportive fit Seamless interior for a comfortable fit and reduced irritation Hidden, gilly lacing system adapts as you move for comfort and a secure fit Durable midsole and molded heel for extra support and lightweight cushioning Rubber Nike Free sole with multi-directional flex grooves for traction and barefoot-like flexibility