K2 AMP 80XTi 170cm Men’s All-Mountain Skis w/ Marker MXC 12 Bindings 80mm waist The K2 A. 80XTi is an all-mountain performance ski designed primarily for intermediate to advanced skiers who spend most of their time on groomed runs but want versatility for varied conditions. Key Features DIN Range: 4-12, suitable for intermediate to advanced skiers. TCX Heel: The TCX (Touring Comfort Heel) provides easier step-in and improved comfort. GripWalk Compatible: Compatible with both standard Alpine (ISO 5355) and GripWalk (ISO 23223) boot soles. Quikclik/System Integration: These bindings are typically mounted on a pre-installed plate (system ski), making them easy to adjust for different users without re-drilling. Performance: Designed for all-mountain and frontside skiing, providing good power transmission and control. Usage and Adjustment Adjustment: The binding features a locking lever. To adjust, you lift the lever on the toe and heel pieces to move them along the rail to match the boot sole length in millimeters.