The Mach1 HV 120 is engineered for hard-charging skiers who demand a boot that keeps up with their aggressive style. Built for advanced to expert skiers with high-volume feet, this boot is all about delivering power and precision without sacrificing comfort. With T-Drive technology, the HV 120 returns energy efficiently, giving you the control you need to push your limits. Its anatomically shaped shell and liner, featuring C.A.S. technology, offer a superb fit right out of the box, with the flexibility to customize for even more precision. The Mach1 HV 120 is a trustworthy boot for high-octane skiing.