Features a high-elastic 3D stretch rebound TechLoom upper for dynamic foot movement. Internal cage for support. Seamless design that allows it to function as a slip-on or a lace-up. Its Propelium midsole enhances energy return and comfort, while a durable rubber outsole with a forefoot crash pad ensures reliable traction and durability. 8mm drop. Wt. 7.1 oz. (All APL shoes are unisex. To adjust sizing between womens and mens options, size down by 1.5 when converting from womens to mens. For example, if you wear a womens size 9, you would select a mens size 7.5.)