Did someone call for climate control? This men&';s Burton Heavyweight X Base Layer Quarter-Zip will do the work. Highly breathable, heavyweight fleece keeps you cozy even on the coldest of mountain days, and four-way stretch works to give you all the flexibility you need for a solid day of riding. Bonus: you can still keep your friends close, thanks to the stink-resistant finish. (You&';re welcome for that one.) Material Four-way Stretch Fabric 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. Fit Slim Fit - Sits close to the body, with room for the garment to move with you. Features Quick Drying and Highly Breathable bluesignA(R) Product - As riders, we&&';;re all invested in ensuring healthy winters and snowfall for years to come. The bluesignA(R) system unites the entire supply chain to reduce impact on both humans and the planet. bluesignA(R) approved materials are guaranteed to use only safe chemicals and are manufactured to meet the highest standards of natural resource conservation, consumer and worker health, and clean air and water discharge during the manufacturing process.