Dryride two-layer fabric [10,000mm, 10,000g] is waterproof and breathable for outstanding weather protection | living lining mapped with taffeta and mesh regulates body temperature, adapting to ups and downs of your activity; fully taped seams seal out foul weather | mesh-lined test-i-cool venting for breathability; large hand warmer pocket on thigh with additional zippered pocket for warmth and storage | standard pant features include: pocket key clip, expandable cuffs, and integrated waist adjustment | bluesign approved for a reduced impact on both people and the environment | for all the benefits of space-age design, it's still apparent that keeping it simple works, too. The less-is-more burton southside pant meets all the requirements without appearing too technical. That said, our exclusive thermo-regulating living lining offers stealth performance for the ultimate in adaptable warmth and consistent comfort. The whole pant is bluesign approved for reduced impact on both people and the planet. Whether you choose the slim fit or the tailored mid fit, there is still room to layer and move freely, and all styles feature test-i-cool venting along with a handful of rider-inspired standard features.