From hidden coves to rushing rivers, the lightweight Keen Women's Whisper Sandal can manage any water-filled day. The quick draw elastic cord lacing system adjusts to a comfortable and secure fit. The washable polyester upper makes cleaning simple. The foot-cushioning EVA molded footbed provides comfort on the go. Features:Women's specific fit Compression molded EVA midsoleHydrophobic mesh liningMetatomical EVA footbed: This internal support mechanism is anatomically engineered to provide excellent arch support and cradle the natural contours of the footNon-marking rubber outsoleSecure fit lace capture systemTPU stability shankFit Tip: Most customers find this style is true to size!All KEEN water sandals are machine washable. Use a small amount of detergent, wash on gentle cycle and air dry