evo.com | Tecnica Alpine Ski Boots > Bigger kids and 'tweens who are really starting to rip don't necessarily understand the relationship between the quality and fit of their boots and how well they ski, but you do. Make a point of giving them every advantage with the Tecnica Mach1 Jr Ski Boots. A quality boot with C.A.S. shell and a 75 flex that's well suited to lighter skiers, the Mach 1 Jr can be outfitted with a Carbon T-Drive spine like the adult Mach 1 MV (you need to purchase this separately) for kids who are really pushing he envelope. Last: 100 mm A mid-volume last designed for average feet. 30mm Velcro Strap GripWalk ISO 23223 Soles Junior Liner Sustainable and PVC-Free Flex: 75 A medium flex for smaller athletes | Kid's Tecnica Mach1 Jr Ski BootsKids' 2026 - 25.5 in Gray