evo.com | Burton Long Underwear Bottoms > When there's fields of untouched pow out there and the cold smoke is waist deep on every turn, you need to bring your A-game to keep your lower half warm. The Burton Heavyweight X Pants are long underwear for deep days. Thanks to Living Lining tech, they're super breathable once you start working for those leftover stashes at the end of the day too. Four-way Stretch Fabric This product may contain chemicals known to the State of California to cause cancer, or birth defects, or other reproductive harm. Heavyweight 300 Living Lining Cold mornings to sunny afternoons, fast turns to slow chairlifts-a day on the hill is filled with extremes. Burton's Living Lining offers automatic climate control without added bulk or weight, so the one thing you can count on is consistent comfort. When you're warm, breathable pores on the Living Lining expand to release excess warmth and prevent overheating. When you're cold, breathable pores on the Living Lining shrink to trap body heat and keep you warmer for longer. Provides consistent temperature regulation without adding bulk or weight. Quick Drying and Highly Breathable Slim Fit Sits close to the body, with room for the garment to move with you. | Burton Heavyweight X Pants Men's 2026 - XXS Black Size 2X-Small