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For lightweight efficiency on fast-moving adventures, the Big Agnes Fly Creek UL -4C Down Sleeping Bag delivers exceptional warmth without unnecessary bulk. Designed for three-season use, this down sleeping bag is ideal for fastpacking, thru hiking and minimalist backcountry travel where every gram matters.
Filled with premium 850 fill Downtek insulation, it offers outstanding warmth-to-weight performance while maintaining loft in damp conditions. The streamlined mummy shape and ergonomic footbox maximise thermal efficiency, helping you stay warm with less energy loss. Ultralight recycled NetPlus fabric keeps pack weight low while maintaining durability for extended trips. An insulated draft collar and minimalist hood design work together to retain heat on cooler nights. This ultralight sleeping bag is built for reliable performance when it has to work, deep in the backcountry.
Total Weight: 1lb 10oz / 722g
ISO Comfort: 35øF / 2øC
ISO Limit: 25øF / -4øC
Fill Type: 850 Downtek PFC-Free
Total Fill Weight: 17oz / 482g
Compressed Bag Size: 8" x 9.5" / 20 x 24cm
Stuff Sack Size: 7.5" x 15" / 19 x 38cm
Max User Height: 6' / 183cm
Shoulder Girth: 60" / 152cm
Hip Girth: 54" / 137cm Long
Foot Girth: 36" / 91cm
Materials
Shell/Lining: Ultralight recycled NetPlus 10D nylon ripstop with a water-repellent finish without intentionally added PFAS. Fabric made from recycled fishing nets
Insulation: 850 fill Downtek PFC-Free maintains insulating value even while wet, using bluesign approved water-repellent chemistry without intentionally added PFAS
Upper Bag: Big Agnes Signature Diamond quilt-through construction
Bottom and Sides: Baffled construction
Anti-snag #3 zippers for a smooth, quick zip
Storage sack & stuff sack included
Diamond quilt-through construction on top. Baffled construction on bottom and sides.
Explore the complete collection of Big Agnes tents, sleeping bags, and outdoor gear at Wild Earth, and upgrade your camping comfort with award-winning design....