Tyrolia Attack 2 13 GW delivers what you need out a binding, Excellent power transmission from both the toe and heel, incredibly easy step in action even in deep snow, and now compatibility for both ISO 5355 Alpine and GripWalk soles makes this binding a real winner. Freeriders who don't require a higher DIN setting and want a light and super reliable binding will love the Attack2 13 GW. We have 2 models of this binding, the (B) in the title indicates that this binding has its brake in the box, our non (b) titled listing comes with the brakes in their own box.