evo.com | Nordica Alpine Ski Boots > The Nordica Speedmachine J 4 R Ski Boots are a junior boot built to take a beating season after season. Durable PU construction holds up to constant use, and macro and micro buckle adjustments make it quick to get a snug fit on growing feet. A Comfort RTL Antibacterial liner keeps things cozy and fresh from first chair to last run. Last: 100mm Average last scaled down for smaller feet ISO 5355 Alpine PU Soles PU Construction Every Nordica rental boot is constructed exclusively with PU plastics for better on-snow performance and longer-lasting durability. Macro/Micro Buckle Adjustments Comfort RTL Antibacterial Liner | Kid's Nordica Speedmachine J 4 R Ski BootsKids' 2026 - 21.5 | Plastic