The Tecnica Men's Mach Sport EHV 120 All Mountain Ski Boots are for the advanced to expert riders looking for all mountain conditions. Featuring NFS EHV Liner that uses thinner walls to leave more space for you feet, keeping your feet warm is the Celliant that helps convert body heat to infrared energy to enhance warmth. The Custom Adaptive Shells are anatomically formed around the heel and problem areas for comfort and stability. These sport performance ski boots also feature 4 Mach Sport Alu Buckles and Lift Lock that holds the buckle above the shell to keep it from getting in the way while putting the boots on. The Tecnica Men's Mach Sport EHV 120 All Mountain Ski Boots are perfect for skiers with wide feet.