Designed with input from our Women 2 Women program the Mach 1 MV 105 W with T-Drive Technology is a high-performance ski boot specifically designed for strong female skiers with medium volume feet. Fit is priority number one in the MV 105 W and womens specific Custom Adaptive Shape C. A. S. technology in the liner and cuff is the way we achieve it. Developed with an anatomically shaped and womens specific shell and liner the C. A. S. technology provides a great fit right out of the box but also allows a high level of customization if need be. The C. A. S. Cuff Adapt System quickly and easily adjusts volume of the top of the cuff to fit a variety of lower leg shapes. The Asymmetric shell and cuff design in combination with the Women's Natural Stance setup puts you in the perfect balanced position to tap into all the energy and performance of your skis. And with flex rating of 105 this boot gives you the power and support you need to charge all over the mountain with control and confidence. Get out there and shred ladies.