Product descriptionwe say:-The Attack 13 AT is compatible with alpine, WTR and touring norm sole boots. Simply adjust the FR Pro Toe Piece to accommodate these three primary boot soles and you're good to go. This binding has a DIN range from 4-14 and Tyrolia's durable Race Heel for maximum retention when you're getting gnarly on the hill. Even if you don't have WTR or Touring soles, these make for a solid all mountain binding suited for advanced and expert skiers looking for a long-lasting, reliable binding!Fischer says:-For freeskiers who attach importance to control, performance and easy handling: Attack from Fischer. This is the ideal equipment for backcountry skiing enjoyment and breathtaking jumps, plus tricks in the park & pipe. With its perfect functionality, this is the ideal tool for every all-ride skier! Fischer Fischer Attack 13 AT Ski Bindings Alpine