An ALL MOUNTAIN boot for exploring all terrains.The equipped BOAA(R) 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 HV 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 last provides an excellent balance between fit and comfort without compromising performance. The Grip Walk soles make walking very easy. GENERATIVE DESIGN GRID FULL CUSTOM T3 DUAL CORE TECHNOLOGY HIKE MODE 2.0 THINSULATE STRETCH Ability Level: Beginner-Intermediate Ski Boot Flex: Medium Medium Forefoot Width:102 mm Liner Type: Semi-Custom Flex Index:90 Boot Sole Type: GripWalk (ISO 23223) Includes Tech Fittings: No BOA: Yes Number of Buckles:2 + BOA Lower Shell