Low weight High durability Excellent stability Fast change of direction grippy outsole Crazy Train Boost Training Shoe Men The training shoe supports you with the boost in the forefoot and supplies so your every move with an incredible amount of lighter, faster energy details:. textile uppers, synthetic and synthetic suede for much flexibility and support, but little weight / energy recovery Leading boost midsole / ins upper integrated attachment, highly elastic eNERGY LING element for stability and energy return / tongue in breathable mesh / EVA midsole-border for much stability in lateral sideways movement / extreme grippy outsole outsole: abrasion resistant Gender: Men material: Synthetic / textile sport: training