Shoe size 4. features a 3-D lasted Curv® composite quarter package, a LOCK-FIT liner, lightweight memory foam ankle pads, a 3-piece 40oz reflex felt tongue with injected metatarsal guard, a flexible tendon guard, LOCK-FIT footbed, a thermoformable anaform upper, a lightweight composite outsole, a TUUK LIGHTSPEED EDGE holder, and a TUUK LS2 stainless steel runner.
