FeaturesTwo zippered panels run from shoulder to footbox adding 5 inches of additional girth to each side (10" total) when opened Body-mapped baffle construction optimizes thermal efficiency Jacket-style hood opening contours to the shape of your face for a comfortable, snug fit Vaulted footbox construction provides more loft and warmth 3-D anti-snag draft tube prevents heat loss along the zipper Insulated tube along upper hood opening seals out drafts when cinched Low-profile cordlock lets you un-cinch the hood with one hand Internal mesh stash pocket for phones and other little ditties  Interior fabric loops for sleeping bag liners Streamlined exterior loops for hang drying or storage Storage sack & stuff sack included Construction + MaterialsNylon rip-stop shell fabric with a water-repellent finish Polyester taffeta lining fabric with a water-repellent finish 600 fill DownTek™ repels water while maintaining insulating value - bluesign® Certified PFOA and PFOS free water repellent