Perfect for cardio, strength training and other gym activities, Nike Free 5.0 TR Fit 5 shoes allow you to move with exceptional freedom of motion. These training shoes provide natural flexibility that helps facilitate your versatile movements during various workouts. With Flywire cables that surround your forefoot, the Nike Free Fit 5 provides training-specific support and stability that will help you stay focused. These low-profile shoes deliver high-profile performance.Upper: Lightweight mesh upper varies in texture for ventilation and training-specific support. Padded heel collar enhances comfort. Flat laces reduce irritation. Midsole: Injected midsole unit provides ultra-lightweight cushioning. Molded foam conforms to your heel and helps anchor the foot to the footbed for a secure fit. Removable insole.Outsole: Strategically placed rubber pods on the heel, toe and sides provide durability and traction. Hexagonal flex grooves are hot-knife cut to create six different flex points that allow the foot to move more naturally.