Big Agnes Fly Creek UL Sleeping Bag: 25F Down

Efficient Fly Creek UL sleeping bag with ultralight design and eco-friendly materials

What Our Gearhead® Experts Are Saying:

"This sleeping bag hits the perfect balance of weight and warmth. The recycled materials and Diamond Quilting add to its performance while keeping it eco-conscious. It´s compact, cozy, and ready for any adventure from spring to fall."

The Fly Creek UL Sleeping Bag is the ultimate companion for ultralight backpacking. Crafted with recycled 10D nylon ripstop and filled with 850-fill Downtek insulation, it delivers exceptional warmth while maintaining an eco-conscious edge. Its Diamond Quilting reduces stitching to maximize loft and thermal efficiency. A half-length center zip makes temperature regulation effortless, while the mummy fit, draft collar, and ergonomic foot box trap heat where we need it most. Whether we´re trekking into alpine landscapes or camping by quiet rivers, this ultralight bag keeps us warm and ready for restful nights under the stars.

Details

• Ultralight sleeping bag designed for 3-season adventures
• 850 Downtek PFC-Free fill offers water-resistant warmth and compressibility
• Down insulation is certified to the Responsible Down Standard
• Recycled 10D nylon ripstop shell is durable and eco-friendly
• Diamond Quilting maximizes loft and minimizes stitching weight
• Half-length center zip for temperature control and easy access
• Ergonomic foot box and draft collar enhance thermal efficiency
• Compact stuff sack and storage sack included for easy packing
• Item #BAGZ2GX

Tech Specs

Responsible Collection

Recycled/Repurposed, Responsibly Sourced, [down treatment] bluesign® APPROVED

Material

10D recycled nylon ripstop from fishing nets, PFAS-free DWR treatment

Insulation

850-fill Downtek (RDS-certified), PFC-free DWR treatment

Shape

mummy

Zipper

half-length

Max User Height

[regular] 6ft, [long] 6ft 6in

Shoulder Circumference

[regular] 60in, [long] 63in

Hip Circumference

[regular] 54in, [long] 57in

Foot Circumference

[regular] 36in, [long] 39in

Pad Retainer

no

Fill Weight

[regular] 17oz (482g), [long] 19oz (539g)

Degree

25°F

European Norm/ISO Comfort Rating

35°F

European Norm/ISO Lower Limit Rating

25°F

Storage Sack

included

Stuff Sack

included

Stuff Size

7.5 x 15in

Claimed Weight

[regular] 1lb 10oz, [long] 1lb 12oz

Activity

ultralight backpacking, backpacking

Manufacturer Warranty

limited