Jumpman Diamond 2 Mid Shoes Lightweight, durable Nike React foam under the heel provides smooth, responsive cushioning. Responsive Zoom Air cushioning under the ball of your foot returns energy to help drive you down the court. A rubber outsole with herringbone tread provides court-ready traction. A pivot circle in front assists with rotational motion. Real and synthetic leather and textile materials in the upper are lightweight, durable and shaped for full-foot containment. The heel rubber is split into 2 sections to help reduce the shoe's overall weight. Midfoot saddle ties in with the laces to lock you in and help keep the foot over the footbed. Padded mid-high collar helps secure the ankle.