Ideal for advanced to expert alpine skiers, the Atomic Hawx Ultra XTD 120 BOA Ski Boots offer a precise and custom fit with their Memory Fit technology, which creates a personalized shell, cuff, and liner in minutes. With a stiff flex rating of 120, these boots promote aggressive skiing without hindering your descent in variable conditions. The boots feature a Prolite construction, starting with the slimmest profile and adding reinforcements in key areas for strength. The 3D Stretch Toe Box, Achilles Flex Zone, and BOA Fit System Lower Closure ensure comfort, while the Energy Backbone provides strength for powerful skiing. The Free/Lock 4.5 Mechanism and Frictionless Pivot offer a natural movement for effortless ascents.