Rock the mountain in the Head Women's S9 Heat Fit ski boot. A women's-specific liner and adjustable flex (80-90) take the S9 to the next level of performance. Choose between the 103 and the 100-millimeter last for high performance without compromise and precise control at blistering speeds. The Heat Fit women's-specific liner flares at the cuff providing optimal comfort for the unique shape of omen's calves. Awesome heat-retaining foam maintains warmth and comfort inside the boot for all-day charging. For women's-specific comfort and uncompromising performance, look no further than the Head Women's S9 Heat Fit ski boot.