If you're looking for a lightweight, extremely breathable running shoe that's as responsive as it is durable—you found it. -Lightweight, breathable mesh upper for increased ventilation -Internal bootie design for a close-to-the-foot fit & feel -Molded sockliner​ forms to the foot, eliminating slippage & providing ideal underfoot comfort -Charged Cushioning® midsole uses compression molded foam for ultimate responsiveness & durability​ -Solid rubber outsole with strategically placed pods for added durability in high-abrasion areas​