Seamless high-elastic stretch rebound TechLoom Upper for extreme stretch that moves with your feet. Internal speed lacing system with exposed eyelets holds your foot securely in place while allowing full range of motion. Lace loop eyelet for streamline look. Propelium® is designed to maximize energy generation and provide superior comfort that will maintain midsole structural integrity longer than conventional EVA. Newly developed lightweight Propelium midsole and new traction pattern. Durable rubber outsole with forefoot crash pad. The lightest APL running shoe ever weighing in at 6.8 oz in a Women’s size 7.5. 100% Vegan, made using no animal products. The 8mm drop from the heel to the forefoot places your foot in a natural position for efficient running.