The RSJ is ideal for junior skiers still learning but who want a boot that will last with their improvements in technique. The flex is supportive without being tiring; the plastic is firm enough to control skis but not over responsive. 4 metal buckles help in getting the right pressure around the foot and the Velcro powerstrap improves the contact with the shin, for better comfort and control.Ability LevelOverviewFitMedium volume with enough space in critical areas and the necessary heel hold.Shell Mono-injection polyolefin shell and cuff.LinerJunior Control Fit Liner. for smaller calves and foot shapes to deliver enhanced junior specific comfort, warmth and performance.Key FeaturesAnatomic Junior FitLange\'s JUNIOR FIT is designed for smaller calves and foot shapes to deliver enhanced, junior-specific comfort, fit, and performance.SpecificationCategory: AlpineFlex: 60Last Width: JuniorCustom Shell: NoCustom Liner: NoPower Strap: Velcro 30mmVolume: Medium Clips: 4 x Aluminium, JuniorSole Unit: 21.0 and below Alpine (Child ISO 5355); 22.0 and above Alpine (Adult ISO 5355) Pin Inserts: NoHike Mode: NoWeight (g): 1226 (1/2 pair size 22.5)Binding Compatibility: 21.0 and below Alpine (Children), GripWalk (Children); 22.0 and above Alpine, GripWalk, WTR, Multi Norm