Burton Fly Pant Mesh,Nylon,Polyester,Taffeta DRYRIDE two-layer fabric [10,000MM, 10,000G] is waterproof and breathable for outstanding weather protection Living Lining mapped with taffeta, microfleece, and THERMOLITE regulates body temperature, adapting to ups and downs of your activity Mesh-lined inner thigh vents add breathability; Reinforced cuffs resist abrasion Zippered cargo pockets for storage; Standard pant features include: Articulated knees, key clip, and ATM pocket bluesign approved for a reduced impact on both people and the environment