The most lateral stability of any K Swiss tennis shoe achieved with a skeletal support cage and a sturdy midfoot shank. Shock Spring technology provides cushioning. Durable Aosta 7.0 rubber outsole with tennis specific, multi surface wavebone tread pattern provides good traction.ColorsWhitePlatinumCharcoal TypeLow Tennis UpperSynthetic leather upper. DragGuard in the toe and heel of the outsole combined with a high abrasion Dura Wrap XD toe wrap. MidsoleShock Spring technology in the heel and forefoot. Lateral stability is achieved with a skeletal support cage and a sturdy midfoot shank. OutsoleAosta 7.0 rubber outsole. Tennis specific, multi surface wavebone tread pattern. SportTennis