The Hawx Prime is the most popular boot in evo's history, and the performance and comfort benefits stretch all the way down the range. The Atomic Hawx Prime 100 BOA GW Ski Boots, for instance, feature the same internal fit and awesome Memory Fit heat molding technology, along with the comfort and adjustability of the BOA® Fit System lower closure, all in a medium 100 flex designed for intermediate skiers on the way up.