These are stripped-down superlight backcountry hard shells for big-mountain steeps. They're also soft and packable - and provide waterproof/breathable protection in unpredictable conditions. The jacket's torso is lined with supple brushed polyester grid mesh for light insulation and swift moisture-wicking; sleeves are lined with smooth mesh for snag-free layering. The contoured hood adjusts two ways to preserve neck mobility. With angled vents at the underarms a stretch powder skirt with gripper elastic and multiple pockets including an internal mesh pocket to hold a pair of folded skins. Imported. H2No® Storm is Patagonia's waterproof/breathable barrier. More of a classification than a specific technology shells with H2No Storm utilize a range of laminates and coatings made from varying applications of polyester and/or polyurethane to achieve a standard of waterproofness and breathability that's best suited for a specified performance range. Learn more Deluge® DWRPatagonia?s proprietary durable water repellent fabric finish Deluge DWR lasts substantially longer than standard DWRs. Garments with the Deluge DWR finish have like-new repellency after years of extensive use.