The Nike Men's Metcon 8 Training Shoes have a lightweight, breathable upper to keep you comfortable during your workout. The rubber tread provides traction and the handstand clip at the heel minimizes drag during wall exercises. The tab locks down the laces with a hook-and-loop closure. The Nike react foam provides a smooth, responsive ride. The grippy rubber wraps around your arch during intense rope climbs. The wide, flat heel is stable and comfortable for cardio and sprints.