The Sprintfit II Indoor from Reebok features one piece seamless lightweight synthetic leather upper. Minimal layers for touch and perfect fit. Asymmetrical lacing increases surface area for clean ball strike. Full length EVA midsole for comfort and cushioning. Padded foam sockliner. Nylon shank for midfoot stability and support. DMX Foam insert in heel cushioning reduces stress of heel impact. Gum rubber outsole for traction on all indoor surfaces.