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 These are running shoes anyone can wear to go faster - with Charged Cushioning to help protect against impact, a breathable upper, and durability for miles.