The Tecnica Mach1 MV 120 is designed for high performance skiers with mid-volume feet. The Mach1 series is famed for their all-mountain performance, precise and customizable fit, and effective power transmission from leg to boot due to the CAS shell construction. The T-Drive Spine creates more snap and power throughout turns to enhance performance. With a 100mm last, this boot is a comfortable fit for those average sized feet. Expect to charge hard with this high-end performance boot.