A minimalist shoe designed to specialize in intense workouts and lateral movements, the KMD Sport LS excels as a training and fitness shoe with its flexibility and feedback you expect from a barefoot shoe, with slightly more structure than other FiveFingers models.. . Polyster fabric and breathable nylon mesh upper with quick lace system for a snug, easy fit. Microfiber footbed with Dri Lex antimicrobial technology keeps feet feeling fresh. Seamless, no stich 2mm footbeds remove friction and chafing. 0mm heel to toe drop. 4mm Vibram TC1 rubber outsole provides minimal underfoot feel while still protecting from abrasions. .