Design: APL AeroLux upper combines a lightweight woven textile that is breathable and strong Streamline upper has thin layers of strategically placed support and vector flow lines Slanted shank plate encourages forward motion upon foot strike Integrated lacing structure for a customized fit In-Shoe Comfort: Maximum cushioning, two-piece APL FutureFoam midsole that is tuned specifically for running All new proprietary 5mm APL Souffle sockliner adds long-lasting superior cushioning 3D molded heel padding and microfiber collar edges reduces friction and makes for comfortable inner touch points Durability and Traction: Lightweight, two-piece solid rubber outsole is built for the road or gym Additional Details: Machine wash; Air Dry 8mm drop