The fastest K Swiss tennis shoe on the market. Ballistic Propulsion Plate helps to keep players on the balls of their feet for quick movement during play. Durable outsole provides long lasting traction!ColorsCharcoalBlackBrilliant Blue TypeLow Tennis Weightapprox. 15.2 oz. UpperLeatherMesh. Heat welded TPU mid foot support for superior lock down. Dura Wrap toe protection. MidsoleSuperfoam foot bed for resilient full length cushioning. Guideglide stability midsole construction for world class comfort during fast movement. OutsoleAosta 7.0 high abrasion rubber outsole for long lasting traction. Misc6 month outsole wear guarantee