The 50 Evo style of the iconic Vierzon boot has a waterproof gusset and full-grain leather, saddle-stitched tightening strap and bandolier button. Comfortable 100% microfibre OnSteam® lining, which easily absorbs and dissipates humidity, is thermos-regulating and anti-allergenic. A shock-absorbing, insulating, all-terrain Grip sole has a reinforced shank for better arch support.