Performing at your best comes naturally in the Nike FREE Trainer 3.0, a training shoe designed for a natural, barefoot feel. Supports the foot through its natural range of movement. Cage-like upper with Dynamic Fit technology that provides flexibility and a custom glove-like fit and feel. Mesh innersleeve offers a snug fit that hugs the foot. Low-profile Phylon™ midsole adds lightweight cushioning and support during side-to-side movements. Sidewall wrap-up design cradles the heel and the midfoot. Solid rubber pods in the heel and perimeter of the forefoot gives traction and durability. DiamondFlex technology in the outsole delivers enhanced multidirectional flexibility. Wt. 10.2 oz.