Personalize your feel and let your personality fly on the hill. The Mach1 JR with T-Drive provides high-level performance on a platform that's specifically designed for junior skiers. Staying true to Tecnica's fit-and-performance-first mindset, the Mach1 Team features many of the same innovative technologies found in the adult Mach1 series. The Mach1 Team is the ultimate all-mountain boot for the junior skier who is ready to take their skiing to the next level. Last: 100mm Flex: 75 - for beginners or lighter skiers Width: Medium - for skiers with medium foot's sole or for those who prefer a regular fit