Burton Men's [ak] Helm Fragment Pant Apparition Gray 2026Burton's latest collaboration with Hiroshi Fujiwara combines trusted backcountry performance with signature Hiroshi style that blends naturally into any environment, from backcountry to cityscapes. The men's Burton [ak] x FRAGMENT Helium Insulated Pants are that extra layer that makes all the difference in staying warm on the coldest days. Layer up for a cold day on the mountain. Stay warm at base camp. Stretchy and breathable, they're made for