The most versatile tennis shoe in the marketplace! This shoe features a modular, individualized sole system engineered for customized performance and versatility. The cushioning is provided by the two interchangable, replaceable inserts which are designed for speed or comfort. For practice days, the insole has inserts featuring Si 18 gel for outstanding comfort, long lasting cushioning and a pillow like feel. For match days, the insole features SUPERFOAM which provides a high energy return for a springy feel. It also features a carbon fiber spring plate that enhances forefoot propulsion. An extra high lateral sidewall at the forefoot provides better stability. The durable Aosta 7.0 rubber outsole increases traction with it's multi court surface herringbone tread pattern.ColorsWhiteSilver TypeLow Tennis Weightapprox. 12.8 oz. UpperSyntheticMesh upper. InsoleLightweight k EVA chassis on two interchangeable, replaceable inserts. MidsoleTPU shank. OutsoleAosta 7.0 outsole and DRagGuard zones in the toe and heel. Molded DuraWrap XD protection around the toe and along the medial side. Multi surface herringbone tread pattern. SportTENNIS