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Black Diamond
Quadrant Alpine Touring Boot - Men's

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Black Diamond's stiffest alpine touring boot, with four buckles for power and a pivoting cuff for buttery-smooth touring.

Men take note: Black Diamond's Quadrant Alpine Touring Boot offers the lightweight chassis of a touring boot and the power and precision of a freeride boot all in one. Precise and stiff enough for long, high-speed turns, this AT boot is a tool for seasoned backcountry skiers who want to take on steep mountains and skin-accessed terrain without sacrificing downhill performance. In walk mode, you're treated to a massive 40 degrees of buttery-smooth cuff flex and in ski mode, the cuff locks securely into place against the shell of the boot for rock-solid shredding. The Quadrant is the stiffest of Black Diamond's alpine touring boots and it's built for technical ascents and neck-snapping speeds.


Details

  • Triax pivot frame is a touring-focused frame design that offers alpine-style power transfer and smooth, natural striding motion when you're touring
  • 120-rated flex index provides enough stiffness to precisely control your skis and just enough forgiveness to make long days of touring easier on your foot
  • Efficient Fit AT Light liner is stiff and lightweight, designed specifically for touring
  • V-shaped last has a 103mm toebox to give your toes room to move and allow ample circulation for warmth
  • Truelasted liner fits your foot right out of the box or it can be easily thermomolded for a truly custom fit
  • Liner secures with the Boa closure system that you can tighten or loosen with the spin of a dial
  • Liner also features an antimicrobial treatment to stop funky odors, a smooth interior finish so it's easy to slide your foot inside, and a multi-density Achilles' pad insert
  • Four-buckle design offers the traditional security and power transfer of an alpine boot balanced with the free-flexing cuff technology of Black Diamond's Pivoting Cuff
  • Buckle closeout dents have a hooked shape that locks the QuickWire buckles securely in place once the buckle is flipped down
  • Pivoting cuff design offers resistance-free movement in tour mode so you get a whopping 40-degree range of motion with each step: 20 degrees back and 20 degrees forward
  • Pivoting cuff locks into the edge of the instep cuff in ski mode, pressuring against the boot shell for stiffness and power
  • In walk mode, the pivoting cuff naturally slides up and out of the way of your instep buckle to allow the boot to flex further forward
  • Rubber outsole has a rockered shape that dramatically increases traction and allows for the most natural foot roll when you're hiking or bootpacking
  • Tech inserts give you the option to use this boots with Tech-style touring binders
  • Item #BLD3391
Shell Material
Triax (polymer)
Flex
120
Lean Angle
40 deg
Buckles
4
Buckle Material
QuickWire
Liner
Efficient Fit AT
Thermo-moldable Liner
yes
Liner Closure
Boa
Walk Mode
yes
Sole
rubber
Binding Compatibility
alpine touring, tech
Last Width
103mm
Claimed Weight
[single, size 27] 3 lb 12 oz
Recommended Use
alpine touring, freeride
Manufacturer Warranty
1 year

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