The Burton Men's Midweight Base Layer Pants are the most versatile insulating layer with quick-drying warmth and stink-proof function. Made with the cotton-like comfort of DRYRIDE Ultrawick™ Midweight 200 fabric that's scientifically engineered to pull heat-robbing sweat away from your skin and propel it through your outer layers. You stay dry, warm, and stoked all day, and since it's midweight you get versatile warmth that works all season.