Hawx Ultra XTD 105 BOA WThe Atomic Hawx Ultra XTD 105 BOA W is a versatile 98mm narrow last, medium 105 flex freeride touring boot that delivers comfort and power, on piste or out of bounds. This boot is built with Prolite technology, which takes a trim profile and adds reinforcement to critical energy zones for strong downhill performance. The BOA Fit System improves shell wrapping with bi directional micro adjustments, increasing foothold for all day comfort. Memory Fit