Wearing the right kind of underwear when snowboarding defines comfort and performance for snowboarders. Thermal underwear is the best apparel to use as a first level of clothing. It should fit snugly but not too tightly. The best materials for the base layer or underwear are those that are designed to conserve body heat and that will wick sweat away and at the same time allows breathing. Synthetics like polypropylene are the most suitable while cotton must be avoided.
