THE LIGHTEST RUNNING SHOE ON THE MARKET!! Seamless high-elastic stretch rebound TechLoom Upper for extreme stretch that moves with your feet.Custom-milled satin elastic strap allows quick ingress and egress.Slip-on design provides ultimate comfort and a seamless fit.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 Men’s size 9.100% 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.