Lightweight, breathable mesh upper with synthetic overlays for added durability & support. EVA sockliner provides soft, step-in comfort. Charged Cushioning midsole uses compression molded foam for ultimate responsiveness & durability. Solid rubber outsole covers high impact zones for greater durability with less weight. Warning This product can expose you to chemicals including chromium (hexavalent compounds), which is known in the State of California to cause cancer and birth defects or other reproductive harm.