With a roomy 103mm last designed for wider, high volume feet and a super comfy Sport N.F.S. liner with Celliant® insulation, the 2023 Tecnica Mach Sport HV 85 W Ski Boots will let you spend the whole day out on the slopes without thinking about how much your feet hurt. Make the learning curve a great place to spend time with the Mach Sport HV 85 and change your whole attitude about ski boots.