Decidedly not a sloppy fitting and fuzzy and cute boot to shuffle around in, the Rossignol X-ium J Combi boot is made to please young athletes that love to ski fast. A proper race level SC or A;"CombiA;" boot, the hinged cuff has skate support but wonA;&';t restrict effective classic skiing. The sole flex is torsionally stiff enough for aggressive skate skiing but still smooth enough for nuanced classic skiing. Dual Core Technology allows targeted boot stiffness for the most responsive feel without a weight penalty Speed Lace Lock system offers fast, easy closure for increased support Thermoadjustable liners can be heat-molded around your feet for a customized fit and comfort Compatible with Turnamic, Prolink, or NNN bindings Rossignol Junior Boot Size Chart