Big Agnes Fly Creek UL 25 (850 RDS DownTek)

★★★★★ 4.7 140 reviews

US$155.99
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US$155.99
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Free shipping Free 30-day returns

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Product details

Management number 236373240 Release Date 2026/07/09 List Price US$155.99 Model Number 236373240
Category

Fly Creek UL 25°
premium, packable, minimalist mummy sleeping bag
Description

Redefine backcountry comfort with the Fly Creek UL 25, the ideal ultralight bag for all your minimalist adventures. Premium materials, like ultralight NetPlus® fabric made from recycled fishing nets and high-quality 850-fill down, along with a sleek design featuring Big Agnes Signature Diamond Quilting, produce a lighter, more packable bag. From the ergonomic footbox to the insulated draft collar, every aspect of this sleeping bag is designed to maximize thermal efficiency, without the need for extra weight and bulk. The result is a technical sleeping bag that is a backpacker's dream, perfect for fastpacking, thru hiking, or any overnight trip in three season temperatures.

Features
Diamond Quilting
Big Agnes Signature Diamond Quilting prevents down migration while using less stitching than traditional quilt lines; saving weight and providing better loft
NetPlus® Fabric
Ultralight NetPlus® nylon ripstop made from recycled fishing nets keeps weight low using durable and sustainable fabric
Minimalist Hood
Minimalist hood with low-profile cordlock keeps your head warm without restricting breathing room. Cordlock is made with renewable source materials from organic waste
Mummy Fit
Mummy fit reduces bag volume, allowing your body to heat the bag to a comfortable temperature more quickly
Thermal Efficiency
Insulated zipper and draft collar lock in warmth and increase thermal efficiency
Half-Length Zipper
Ultralight half-length center zipper keeps weight low and provides easy temperature regulation
Ergonomic Footbox
Ergonomic footbox construction provides more loft and better fit for warmer toes on cold nights
Hood Design
Streamlined hood with low-profile cordlock - made with renewable materials sourced from organic waste
Storage Sacks
Includes mesh sack ideal for long term storage, and smaller stuff sack for active use
Compression
To pack down this bag to its minimum compressed size, we recommend pairing it with a Big Agnes Compression Stuff Sack or Superlight Girdle
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/Sides
Baffled construction
Zippers
Anti-snag #3 zippers for a smooth, quick zip
Sacks
Storage sack & stuff sack included
Construction
Diamond quilt-through construction on top. Baffled construction on bottom and sides.
Storage
Guidelines
Keep your bag hanging if possible, or in its included mesh storage sack. Store in a cool, dry place away from heat sources.
Cleaning
Instructions
Even dirtbags wash their bags! Machine wash in a washing machine WITHOUT AN AGITATOR, agitators are likely to cause damage to your gear. Oversized bags require oversized machines, you may need to go to a laundromat to wash your larger bags. Wash on a warm, gentle cycle. Use gear specific soap, we recommend Nikwax Down Wash Direct. Rinse twice. Tumble dry low heat with clean tennis balls. Finish by drying on high heat in 5 minute intervals to loft down. *Allow to cool between intervals to avoid damage to shell*. Do not use fabric softeners. Do not bleach. Do not iron. Do not dry clean.
Repairs and Warranty
Coverage
All Big Agnes gear is guaranteed against manufacturing or material defect. We do not warranty products damaged from normal wear and tear, alteration made by owner, misuse, accidents, or damages caused by uses other than intended. Damage due to misuse, normal wear and tear, or improper care may be repaired, at the discretion of Big Agnes, at a reasonable charge. Gear returned for repair must be clean and free of debris.

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Customer ratings & reviews

4.7 out of 5
★★★★★
140 ratings | 57 reviews
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