evo.com | Tecnica Alpine Ski Boots > Where other companies are putting BOA(R) systems on their best-selling "average" lasted boots, Tecnica is stepping up and offering it to people who arguably stand to benefit the most - those with wider and higher volume feet. The Tecnica Mach BOA HV 110 Ski Boots are a case in point; a generous lasted 103mm fit with tall instep means even Sasquatch can ski all day in comfort. Shell Polyurethane C.A.S. Boot Board The removable C.A.S. boot board offers plenty of thickness for grinding and a grid pattern for reference. 45mm Power Strap Last: 103 mm A wide last designed for out-of-the-box all-day comfort, especially for those with wider feet. 12deg Forward Lean | Tecnica Mach BOA HV 110 Ski Boots 2026 - 26.5 in Black