ROSSIGNOL WOMEN'S ALLTRACK 70 LIGHTWEIGHT ALL-MOUNTAIN SNOW SKI BOOTS Free yourself to explore the mountain, the women's Alltrack 70 is designed to ski the whole mountain. A releasable cuff offers a natural range of motion for hiking. Regular Fit Women's specific regular fit features a 102mm last for an optimized fit regardless of foot shape. Lightweight, Full Power Generative Design Grid minimizes boot wall thickness for the most effective use of material to reduce weight and enhance power transfer. Better Skiability, Better Fit Dual Core technology provides targeted power transmission and shell wrapping, resulting in livelier rebound, response and control. Optimized Hike Mode The lower boot shell is designed to offer a 50-degree range of motion in walk mode for efficient touring and maximum power for skiing when in ski mode. Women's-Specific Fit The shorter, tulip-shaped cuff eliminates pressure around the shin and calf muscle for increased comfort and performance. Custom Comfort and Precision Full custom liners are 100% customizable for enhanced comfort, precision, and performance transmission. GRIPWALK Compatible (sold separately) GRIPWALK soles feature a rubber tread and rockered toe for a more natural walking motion and increased traction.