Big Agnes System bags with FireLine™ ECO synthetic insulation offer a roomy, rectangle-shaped sleeping space with an integrated Flex Pad Sleeve on the bottom. With technical fabrics and construction, 100% recycled, super-warm insulation, and tons of comfort features, these comfortable sleeping bags are designed to be lightweight enough for backpacking but cozy enough you'll want them in the campground too. The streamlined silhouette and Flow™ construction increase the thermal efficiency keeping you warm from head to toe. The Flex Pad Sleeve unites easily with your pad, and as you change positions over the course of the night, will keep you from rolling off your pad.

Big Agnes System Bags are designed to attach easily to your sleeping pad, allowing you to comfortably roll around inside without rolling off your pad – pad sold separately
Easily connect bag to your pad with stretch construction Flex Pad Sleeve; regular and long bags fit 20" - 25" wide pads, wide long bags fit 25" - 30" wide pads
Comfortable fit with contoured hood that follows the shape of your head and allows for movement with free range, jacket style hood opening
Water-repellent shell fabric with PFAS-free finish
Easily uncinch the hood with one hand using low-profile cordlock
Seal out drafts by cinching insulated tube along upper hood opening
Pillow stays in place throughout the night with integrated Pillow Barn
More wiggle room for your feet with free range footbox
Mate together left and right zip bags, using anti-snag zipper for a smooth, quick zip
No-draft collar, no-draft wedge, no-draft zipper
Secure sleeping bag liners with interior fabric loops and easily hang dry or store bag with exterior loops
Storage sack & stuff sack included

Big Agnes Lost Dog 30° Sleeping Bag

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