"Full Description:\nIf you've ever wished for a less-constrictive sleeping bag that keeps you comfortable in a variety of cool-to-warm conditions, the Trek may become your go-to bag. The Free-Flow Zip system allows you to open the bag sequentially for ventilation up to the point where it is opened flat as a quilt - you can even secure the snaps around your shoulders, open the footbox zipper and 'wear' the Trek around camp. 650+ fillpower duck down with a non-PFC Ultra-Dry Down treatment keep you insulated in damper conditions. Slip an Aeros Pillow into the hood and enjoy a great night's sleep - wherever your travels take you.\n\nFeatures:\n\u003cul>\n\u003cli>RDS-certified, 650+ fill-power duck down with a non-PFAS Ultra-Dry Down treatment to stay drier in damp conditions\u003c/li>\n\u003cli>Polyester liner provides pure comfort\u003c/li>\n\u003cli>With the Free-Flow Zip System, you can even secure the snaps around your shoulders, open the footbox zipper and 'wear' the Trek around camp\u003c/li>\n\u003cli>Recycled 20-denier polyester shell with a non-PFAS durable water repellent (DWR) finish blocks wind and moisture\u003c/li>\n\u003cli>Free-Flow Zip System allows you to open the bag sequentially for ventilation up to the point where it is opened flat as a quilt\u003c/li>\n\u003cli>Tapered-rectangular fit is designed for spacious comfort when you're camping or traveling\u003c/li>\n\u003cli>Sea to Summit Guarantee is offered for the lifetime of this sleeping bag\u003c/li>\n\u003c/ul>\n\nSpecifications:\n\u003cul>\n\u003cli>Hip Girth (in.): Regular: 58.7 inches, Long: 62.6 inches\u003c/li>\n\u003cli>Compressed Volume: Regular: 8.2 liters, Long: 8.8 liters\u003c/li>\n\u003cli>Stuff Sack Volume: 13 liters\u003c/li>\n\u003cli>Tested Comfort: 37 degrees (F) - ISO\u003c/li>\n\u003cli>Shell: 100% RCS recycled polyester\u003c/li>\n\u003cli>Fill: 650+ fill-power duck down\u003c/li>\n\u003cli>Lining: 100% RCS recycled polyester\u003c/li>\n\u003cli>Weight: Regular: 2 lbs. 7.5 oz., Long: 2 lbs. 12.2 oz.\u003c/li>\n\u003cli>Fill Weight: Regular: 13.4 ounces, Long: 15.4 ounces\u003c/li>\n\u003cli>Shoulder Girth (in.): Regular: 62.6 inches, Long: 66.1 inches\u003c/li>\n\u003cli>Fits Up To (in.): Regular: 72.5 inches, Long: 77.5 inches\u003c/li>\n\u003cli>Zipper Location: Left/Right\u003c/li>\n\u003cli>Water-Resistant Down: Yes\u003c/li>\n\u003cli>Temperature Rating (C): -1 degrees (C)\u003c/li>\n\u003cli>Temperature Rating (F): 30 degrees (F)\u003c/li>\n\u003cli>Tested Lower Limit: 30 degrees (F) - ISO\u003c/li>\n\u003cli>Sleeping Bag Shape: Semirectangular\u003c/li>\n\u003cli>Sleeping Capacity: 1-person\u003c/li>\n\u003cli>Best Use: Backpacking\u003c/li>\n\u003cli>Gender: Men's\u003c/li>\n\u003cli>Insulation Type: Down\u003c/li>\n\u003c/ul>\n"