Trade in those cotton thermal longies that get all soggy and stinky when you work up a sweat. Buck Naked® Base Layers are now a long stretch better at keeping you warm and comfortable. In diamond knit 4.4-oz. 93% nylon/7% spandex, they wick sweat, fight stink, won't pinch when you reach. New low-profile seams won't chafe your pits, and improved rib trim stays snug and stretchy – even after a winter's worth of wear and washing. Longer shirt length keeps drafts from blasting up your back. Grab Buck Naked Base Layers and make winter bare-able!