Black Diamond Prime

The Prime is Black Diamond's premier lightweight alpine touring boot-designed to tackle the world's most challenging ski mountaineering routes or simply to save your legs for one last powder lap. This is our lightest alpine touring boot, featuring a unique 3.5-buckle design that skis with the stiffness and control of a 4-buckle boot. Its state-of-the-art construction keeps weight to an absolute minimum, while our revolutionary Pivoting Cuff Technology delivers the ultimate combination of freedom of motion in walk mode and instant power transfer in ski mode.

Series: Efficient Alpine Touring
Weight Per Pair: 3.28 kg, 7 lb 4 oz (size 27)
Boot Liner: Efficient Fit Light AT
Frame Technology: Triax Pivot
Flex Index: 110
Forward Lean: 14 or 18º
Shell Material: Pebax
Cuff Material: Polyolefin
# Buckles: 3