Burton Women's AK Summit Gore2L INS Pants. Regular articulated fit is just right: Not too tight or too baggy, with shaping at the knees for easy movement. GORE-TEX fabric offers breathability for medium-intensity activities with moderate sweat management for quick-drying comfort. PrimaLoft(R) insulation [40g] repels moisture while trapping heat to keep you warm in nasty conditions. Low Environmental Impact bluesign(R) approved materials use only safe chemicals and reduce impact on both humans and the planet during manufacturing. Fit & Design: Regular articulated fit with shaping at the knees for easy movement Zip vents enhance breathability during more intense activity and in warmer conditions Contoured adjustable waist; Exterior waistband adjustment GORE-TEX seam tape provides durable seam protection for a completely weather and waterproof design Thigh cargo pockets, microfleece-lined hand-warmer pockets, and zippered back pockets Reflective logo detail Technology: Stormproof: DRY(TM) GORE-TEX 2L is waterproof, windproof, breathable, and durable to keep you on the move in all weather, period Coldproof: 40 grams of PrimaLoft(R) insulation can do to trap heat and repels moisture while trapping heat to keep you warm in nasty conditions bluesign(R) approved materials Additional Details: bluesign(R) approved materials use only safe chemicals