evo.com | Head Alpine Ski Boots > Get ready for twice the fun when you slip into the new Head Kaliber 110 MV GW BOA2 Ski Boots. A sleek 100mm lasted design with not one but TWO BOA(R) knobs for your dialing pleasure, the Kaliber 110 BOA2 give you the ability to fine tune both top and bottom tensions on your boots on the fly, and opens up a whole new buckle-free world. Flex: 110 Stiff flex for advanced to expert skiers Cuff Polyurethane 40mm Velcro Strap Forward Lean 12deg Last: 100mm An average width and volume last for most average to slightly wider feet | Head Kaliber 110 MV GW BOA2 Ski Boots 2026 - 26.5 in Black