Atomic Z12 Binding with 90mm Brake: Atomic Z series ski bindings are perfect for all conditions - and ready for different levels of skiing. That's because both the Z12 and Z10 models have a correlating release value range for different levels of skiers. So if you're stepping up a level and want to feel supremely confident as you line up those rail slides, powder fields or groomers, the lightweight Z bindings will back you up. They also feature a Low Profile Chassis and offer Automatic Wing Adjustment that increases the contact zone with the boot to guarantee a precise hold and enhanced energy transmission to the edges. Features: Automatic Toe Height Adjustment: Adapts automatically and easily to your boot width and height. It also keeps release values constant for worn out boots Low Profile Chassis: The low stand height increases your feel for the terrain, and also enhances power transmission to the ski XL Wings