evo.com | Head Alpine Ski Boots > Head has totally ramped up their Kaliber game, and the new Head Kaliber Pro 110 LV GW BOA Ski Boots hitting the deck with a whole new perspective on precision fit and performance. The Kaliber Pro uses a freshly designed 98mm last and upper cuff BOA(R) Fit System to keep you close to boot shell and make every turn quicker and more confident. Cuff Polyurethane Forward Lean 12.5deg Last: 98mm A narrow last for lower volume feet and superior skiing precision Gripwalk ISO 23223 Soles Flex: 110 Stiff flex for advanced to expert skiers | Head Kaliber Pro 110 LV GW BOA2 Ski Boots 2027 - 28.5