The Atomic Hawx Prime 100 is the perfect ski boot for the most people in the most situations a medium-width ski boot with a medium flex. It offers a reliable but exciting ride for less aggressive skiers for whom day-in, day-out comfort is a must-have. For less weight, less work, and more skiing, it's designed with Prolite our revolutionary light construction with added reinforcements where needed. With a 100mm last, it's made for medium-width feet, and our pre-shaped 3D Gold 3M Thinsulate Liner gently hugs your feet from the start and feels even better after the thermoforming Memory Fit process that customizes the shell, cuff, and liner. For recreational skiers looking for real-deal performance with ski-all-day comfort, then this boot is the definitive answer.