Alaska's frontier logging camps, a.k.a. boar's nests, had a reputation for attracting tough characters who never backed down from much of anything. Same goes for this shirt. Soft hollow-core polyester fibers trap insulating air, making it warm yet lightweight. A hint of spandex offers easy-moving stretch, and Reach Gussets® free you to climb to a lookout or swing a pack axe. Plus, the wicking finish helps manage sweat and dries fast if you're caught in a downpour. Glasses chamois wipes the wood chips off your safety glasses. Now available in a Relaxed Fit for more room and freedom to move.