Nike Free Trainer 5.0 NRGConstructed with an innovative design, the Nike Free Trainer 5.0 delivers a secure fit and lightweight flexibility. They feature criss-crossed bands that integrate with the laces, wrap the midfoot, and adapt pressure depending on your movements. Plus, the Nike Free Trainer 5.0 also has a full-length inner sleeve, heel pull tab, Phylon midsole, and DiamondFLX design on the outsole for multi-directional traction.