Roxa Sonic 1 GW Jr Ski Boots 2026
The SKI BOOTSONIC 1 is a junior-focused, Cabrio 3-piece ski boot built for easy entry, progressive support and compatibility with modern alpine binding systems. Its PP shell and PP cuff combine a lightweight, durable construction with a 102 mm Biofit last for a comfortable fit tailored to young feet. The single aluminum buckle and Junior Comfort liner simplify use while providing reliable retention, and the Alpine / GripWalk sole and binding-system compatibility keeps this boot versatile on rental fleets or growing skiers' quivers.
Tech Specifications
Architecture
Cabrio - 3 piece
Material
PP / PP
Last
102 mm (Biofit)
Buckles
1 Alu
Liner
Junior Comfort
Sole & Binding
Alpine / GripWalk
Size Range
14.5 - 18.5 (see conversion page)
Key Tags
| Last | 102 mm (Biofit) |
|---|---|
| Sizes | 14.5 - 18.5 |
| Material | PP / PP |
| Buckles | 1 Alu |
| Liner | Junior Comfort |
| Sole | Alpine / GripWalk |
| Binding System | Alpine / GripWalk |
- Cabrio 3-piece architecture for easy entry and stepped flex control
- PP shell and cuff for durable, lightweight performance
- 102 mm Biofit last designed for junior foot shapes
- Single aluminum buckle for simple adjustment
- Junior Comfort liner for everyday comfort and warmth
- Alpine / GripWalk sole and binding compatibility for modern binding systems