
The Big Agnes Fly Creek UL 25 is a premium, ultralight three-season down sleeping bag designed for those who seek comfort without the extra weight. Crafted with high-quality materials, this minimalist mummy sleeping bag is perfect for fastpacking, thru-hiking, or any overnight adventure. Its ergonomic design, including a streamlined hood and an insulated draft collar, ensures maximum thermal efficiency, making the down sleeping bag a backpacker's dream for three-season temperatures.
Technical Features
Comfort: 2 °C
Limit: -4 °C
Fill Type: 850 Downtek PFC-Free
Total Fill Weight: 539 g (long), 482 g (regular)
Weight
Regular: 722 g
Long: 799 g
Dimensions
Pressed Bag Size (Regular): 20 x 24 cm
Pressed Bag Size (Long): 20 x 25 cm
Stuff Sack Size: 19 x 38 cm
Size and Fit
Shoulder Girth (Regular): 152 cm
Shoulder Girth (Long): 160 cm
Foot Girth (Regular): 91 cm
Foot Girth (Long): 99 cm
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