The Black Diamond Men's Quadrant Ski Boots. Our premier 4-buckle freetouring boot, the Black Diamond Quadrant defies convention by bringing skiing performance and stiffness previously reserved for freeride boots to the touring weight range. Designed with technical mountains like La Grave in mind, where long climbs lead to no-fall-zone skiing, this boot matches touring comfort and minimal weight with the power and performance to drive big, 95 mm-plus waisted skis in high-consequence terrain. Thanks to its patent-pending Pivoting Cuff Technology, the Quadrant has introduced a level of performance that's never before been possible in a lightweight boot.

DECENT FEATURES of the Black Diamond Men's Quadrant Ski Boots

• Lightweight (1.72 kg, 3 lbs 13 oz each) alpine touring boot with 4 buckles and maximum stiffness
• Triax Pivot Frame with Flex 120, 40° of resistance-free touring motion and locking QuickWire cuff buckles
• Plastic liner tongue for a smooth, evenly distributed flex and a wide power strap
• Efficient Fit AT Liner with 1:1 Boa closure system, comfort fit and articulating zones for ultimate, all-day, long lasting touring comfort
• Rockered, rubber outsole with integrated tech inserts provides dramatic grip and durability
• 103 mm V-shaped last with 100% thermoformable liner

The SPECS

• Weight: per pair: 7 lbs 10 oz / 3.43 kg
• Size Range (Mondo, in Half Sizes Only): 24.5-30.5
• Liner: Efficient Fit AT
• Frame Technology: Triax Pivot
• Flex Index: 120
• # Buckles: 4