Grisport 13361 Greek army style men's boots waterproof in black color made of premium quality genuine leather with a protective Gritex membrane that resists rain and snow and protects against the cold. In the summer months it ensures good breathability. Cordura fabric is the key element in everything the branded and high quality mountaineering shoes. Incredible durability and tremendous resistance to tears and punctures. The Support System is a revolutionary support system for the heel. It practically locks the heel to the shoe so that the foot has maximum stability even on the roughest terrain .The SAsystem is a shock absorption system that works as an airbag. This way, knees and waist and generally all parts of the body that receive pressure during hiking, climbing, etc., are protected in passable to very difficult and uneven terrains.