Designed for hard charging skiers who demand a boot that returns energy and stands up to aggressive skiing, the Mach1 MV 130 is the go-to boot for all-mountain chargers. The mid volume shell and liner comes with Custom Adaptive Shape - providing a great fit right out of the box. T-Drive technology allows the boot to flex naturally and efficiently, resulting in a smooth, consistent feel when you're forward and driving. This boot boasts better performance and addictive energy.