Break the mold of trail running design. Vibram FullSpeedPro Sole is blended with TC1 rubber for an efficient and durable ride. Anatomical EVA and Nylex footbed offer more than just rebound and flexibility, they have a metatarsal pad in forefoot as well. The Air Cushion midsole will have you comfortably crushing rocks on your way up the trail. Product features include: Anatomical molded EVA and nylex footbed, Elastic TPU injection molded forefoot support straps, Trail running speed II last, Webbing and micro molded heel tab, TPU injection molded heel strap and collar support, Control alignment dual density EVA Ms only, Ploy mesh and tricot lining, Compression molded EVA footframe, Vibram FullSpeed Sole, Trek and TC1 rubber, Vegan-friendly footwear.