Ideal choice for Alpine expeditions. Great internal climate and insulation. Waterproof high profile gaiter and YKK waterproof zip. Cordura and Microfiber upper. Double type of GORE-TEX : GORE-TEX Insulated Comfort lining and GORE-TEX Performance Comfort gusset. Double density PU wedge for cushioning and lightweight. New Vibram Penia outsole with deep lugs for great grip. Automatic crampons compatible. Rubber Rand System to better protect from scratches and scuffs. Increased lightness because of the new Zamberlan Carbon Fiber "Mid-Soul".