The Marker Alpinist 12 Ski Bindings are a high-end binding system designed for experienced backcountry skiers who demand exceptional performance in all conditions. Lightweight, they offer excellent uphill performance while still providing the power and precision needed for aggressive downhill skiing. The bindings feature a wide mounting pattern that enhances power transfer to the ski. The heel piece is fully adjustable, and the release value range of 6-12 is suitable for advanced to expert skiers. With their combination of light weight, durability, and precision, the Marker Alpinist 12 Ski Bindings are an excellent choice for backcountry skiers who demand the best.