Atomic Hawx Ultra XTD 130 BOA - AT Ski BootWith the Mimic Platinum liner that shapes to our foot and the adjustable AFS tongue for a fully personalized fit, the Atomic Hawk Ultra XTD 130 Boa AT Ski boot is built for comfort and performance on the longest days. The 54 degree range of motion makes skinning a breeze, while the robust shell and Free Lock 4. 5 mechanism lock it down for aggressive descents. Wherever the line between the resort and the backcountry lies, were crossing it in the Hawx