An ALL MOUNTAIN boot for exploring all terrains.The equipped BOA Fit System enables you to precisely microadjust your fit to enhance stability and control, allowing you to reach your maximum of performance on the mountain. You will experience the ease of putting on your Alltrack 90 W BOA without any hassle, thanks to STEP IN technology. A simple upward pull of the lever at the back opens the boot widely, allowing your foot to slide in effortlessly. You close the boot and you&';re ready to ski.. The soft liner, made with sheep wool, is thermoformable and insulated with Thinsulate(TM) for added warmth. The Grip Walk soles make walking very easy. Ability Level: Intermediate-Advanced Ski Boot Flex: Stiff Forefoot Width:102 mm Liner Type: Semi-Custom Flex Index:90Boot Sole Type: GripWalk (ISO 23223) Includes Tech Fittings: No BOA:Yes Number of Buckles:2 + BOA Lower Shell