The Rossignol Alltrack Pro 130 GW. This no-compromise free-touring boot features tech-fittings for alpine-touring binding-compatibility and a releasable cuff for a natural range of motion on the skin track or boot pack. The 100mm last balances comfort and control while the Generative Design Grid shell is engineered for reduced weight and full power transmission for all-conditions skiing. The preformed liner is thermo-moldable for a custom fit. Includes pre-mounted GRIPWALK soles for a more natural walking motion and increased traction.Medium Fit, Medium fit features a 100mm last for a precise, comfortable fit that balances comfort and control