Designed to accommodate a women's calf and eliminate empty space for a comfortable and warm fit, the Full Tilt Soul Sister 90 brings top-notch comfort and performance to the table. Featuring an easy to get into Classic Tongue Liner, and a forgiving flex 6 / 90 tongue, the Soul Sister 90 is the perfect ski boot for ladies looking to elevate their skiing to the next level. Slip them on, buckle them up, and get shredding.