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Black Diamond - Quadrant Ski Boot

Availability: Out of stock

Stock #: J066- Closeout
Shop all in stock - Alpine Touring Boots

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Black Diamond's premier 4-buckle freetouring boot, the 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.


  • Lightweight (1.72 kg each) alpine touring boot with 4 buckles for maximum stiffness
  • Triax Pivot Frame with Flex 120 and unmatched 40° of resistance-free touring motion
  • Efficient Fit AT Liner with lightweight Boa closure system
  • Rockered, rubber outsole with integrated tech inserts provides dramatic grip and durability

Additional Information

Binding Compatibility Tech
Ability Level Advanced
Thermo-Moldable Liner? Yes
Flex Rating Stiff
Last Width (mm) 103