Details Inbounds powder laps or exploring the back bowls, the women's Rossignol Alltrack Pro 100 boot is designed to ski the whole mountain. A releasable cuff offers a natural range of motion for hiking and a 100mm last balances comfort and control. The Generative Design Grid shell is engineered for reduced weight and full power transmission in all-conditions and terrain. The full custom liner includes Thinsulate™ for added warmth and is thermo-moldable for a precise fit. Flex Level (50 = soft, 140 = responsive) 100 Last 100mm Liner Full Custom T2: Full Custom T2 liners offer customization both in the internal padding for enhanced foot wrapping and comfort, and the external liner materials for enhanced precision and power transmission. T2 version features two separate bi-injected zones with medium density EVA padding in the performance zones and soft density EVA padding in the fit zones. Forefoot Thinsulate® Stretch: Developed by 3M, Thinks® is a lightweight synthetic insulation that delivers increased warmth in damp and cold conditions for all-day comfort and warmth. Thinks® Stretch offers enhanced elasticity, improving freedom of movement and foot support for better skiability. Tongue: Power Wrap One-Piece Toe Box Construction Dual Core technology: Rossignol's new "power injection" method allows the simultaneous injection of two different durometers of plastic at the exact same time. This unique mono-injection process allows targeted power transmission and shell wrapping; and creates their Dual Core sandwich construction throughout the shell, resulting in livelier rebound, response, and total control through the turn. Generative Design Grid minimizes boot wall thickness for the most effective use of material to reduce weight and enhance power transfer Women's-Specific Fit: The shorter, tulip-shaped cuff eliminates pressure around the shin and calf muscle for increased comfort and performance Footbed Canting PU Arch Pad Buckles Diagonal Buckles Power Strap 40mm Special Features Adjustable Teeth, 3 Positions Hike Mode 2.0: The new Optimized Hike Mode includes a wider opening in the back of the lower shell, and a lower axis-of-rotation for optimized range-of-motion and uphill mobility (50° ROM). The articulating lower shell insert and metal-on-metal locking mechanism increase rearward support while supplying maximum power transmission on descents. GRIPWALK® Compatible (sold separately) Weight 1670g / Half Pair (Size 24.5) Rossignol Alltrack Pro 100 W Alpine Ski Boot Women's 2020