Vibram steps it up a notch with the Vibram Fivefingers KSO Evo, built on a platform that offers the best ground feedback in the Vibram line. You'll get more under foot and versatility with this lightweight shoe designed for all-natural comfort. It's built with polyester mesh and a speed-lace system that gives you an easy entry and snug fit. The lightly padded tongued paired with an EVA anti-microbel Dri-Lex® sockliner are crafted to give you ultimate comfort with moisture wicking so your feet stay dry and fresh. The outsole consists of the Vibram XS Trek Compound with a serrated blade lug design that allows for great grip and flexibility in all directions. Max sole thickness: 4.7mm. Wt. 4.9 oz.