Ryka Women's Enhance Cross Trainer Shoes - stay comfortable while you get fit with the ultimate ultra-light trainer. This cross trainer is designed for optimal flexibility, cushioning and a lightweight feel, thanks to the compression-molded EVA midsole. Nitracel technology in the midsole adds extra cushioning in the forefoot. The S.G.S. support system helps stabilize and align your foot. The synthetic, leather and mesh upper offers breathable comfort.