Lange Concept 12 GW BOA Ski Boot blends all‑mountain performance with comfort, pairing a 120 flex and BOA micro-adjustable fit for secure control and easy all-day wear. Key attributes: Multicolor | Black | Blue | Polyurethane | 120 flex index | GripWalk outsole | Dual Core power transmission | Suspension Blade for smoother power transfer | Heat-moldable liner | 103mm comfort last | BOA Fit System for micro-adjustable closure | Easy entry and exit design | Upper buckles plus BOA lower closure | Adjustable cuff flex insert | Power strap | Comfort Profile tongue | Dual-injected shell | Anatomical comfort fit | GripWalk sole geometry | Two upper buckles with BOA lower | Dimensions & fit: 103mm Comfort Last | Comfort fit profile | 120 flex index (stiff) | Adjustable cuff flex (can be softened by ~8%) | Composition & care: Polyurethane