Salomon - Alp 7 GTX (Shrew/Black/Oyster) - Men's: This high performance trekking boot with semiautomatic crampon compatibility is required equipment for rugged landscapes and glacier hiking. Nubuck leather upper with gusseted tongue. Autofit foam. Self-locking eyelet. Protective rubber toe cap and rand. Waterproof Gore-Tex membrane. Mountain Contagrip outsole provides excellent grip and durability on all types of mountainous terrain. 2D Advanced Chassis for better protection and stability. PU midsole. Ortholite sockliner. Weighs 1 lb. 13 oz. (size 9).