Youth Ski Boots Soles: ISO 5355 - Children norm: 180-215; Adult norm: 220-265 Shell: PP Cuff: PP Liner: JUNIOR Buckles: 4 Micro Polycarbonate Made for the aspiring young skier, the JT 4 is a four-buckle junior ski boot that offers warmth, comfort and security. Importantly, they are easy to get on and off. Get your kids started on the right foot so they’ll fall in love with skiing for the rest of their lives. Tecnica Kids JT4 Boots