The 500 is the most versatile AT Binding available on the market today. Its unique toe/heel bail combination make it compatible with virtually any boot-AT, alpine, tele, mountaineering, be it leather or plastic. Bomb-proof design and construction have made it a favorite of ice climbers and mountaineers for years. It’s DIN rating and solid performance have won over skiers of the highest caliber. Tough carbon-fiber frame provides super lightweight durability. Super easy entry and exit. Two position heel elevators keep you comfortably on your toes on those long uphills. Available crampons and brakes can be used simultaneously. 3 lbs. 8 oz. of reliable Silveretta quality. Sizes: short, standard, long.