Tough 2-layer polyester GORE-TEX® fabric for durably waterproof/breathable and windproof protection; brushed and slick mesh lining keeps you warm and wicks away moisture Waist details: brushed tricot lining wicks moisture; adjustable elastic tabs customize fit; two-snap closure and zip fly Webbing loop on rear yoke securely attach pants to powder skirt on any Patagonia® Snow jacket Watertight coated zippers with Slim Zip installation reduce bulk and weight; zippered pockets: two handwarmers; one back, one right thigh Articulated knees for mobility; mesh-lined thigh vents quickly release heat Gaiters seal out snow; tough scuff guards protect inside of leg and bottom hem Hidden RECCO® reflector Waist is adjustable to make sure it's just the right fit