Choose your location

Big Agnes Fly Creek UL 25

€499.95
€424.96
Sleeping bag liner with -15% discount
With a sleepingbag liner you add extra warmth to a sleeping bag and it remains hygienic because dirt and sweat are collected.
check-circle exclamation-circle dots-circle-horizontal
Showroom pick code QR

Showroom pick code

Scan with the pick app

In short

The Big Agnes Fly Creek UL 25 is an ultralight sleeping bag designed for minimalist adventurers and backpackers. Made with premium materials like NetPlus® fabric from recycled fishing nets and 850-fill down, it’s lightweight and highly packable. Signature Diamond Quilting, an ergonomic footbox, and an insulated draft collar enhance comfort and thermal efficiency. Ideal for fastpacking, thru-hiking, or any three-season overnight trip, this technical sleeping bag balances warmth, comfort, and minimal bulk for backcountry explorers.

In detail

  • 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

Big Agnes Fly Creek UL 25 R L
Comfort °C 2 °C
Limit °C -4 °C
Extreme °C  
Season 3 season
Fill weight (grams) 482 g 539 g
Weight (g) 722 g 799 g
Insulation material 850 fill Downtek™ PFC-Free Down
Up to bodysize <183 cm <198 cm
Shoulder- / Hip- / Footwidth (cm) 152 / 137 / 91 cm 160 / 145 / 99 cm
Compressed Size 20x24 cm 20x25 cm
Shape Mummy
Intended use Fast & Light

 

Features

  • Big Agnes Signature Diamond Quilting prevents down migration while using less stitching than traditional quilt lines; saving weight and providing better loft
  • Ultralight NetPlus® nylon ripstop made from recycled fishing nets keeps weight low using durable and sustainable fabric
  • 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 reduces bag volume, allowing your body to heat the bag to a comfortable temperature more quickly
  • Insulated zipper and draft collar lock in warmth and increase thermal efficiency
  • Ultralight half-length center zipper keeps weight low and provides easy temperature regulation
  • Ergonomic footbox construction provides more loft and better fit for warmer toes on cold nights
  • Streamlined hood with low-profile cordlock - made with renewable materials sourced from organic waste
  • Includes mesh sack ideal for long term storage, and smaller stuff sack for active use
Important details
Insulation Down
Comfort temperature 0° / 10°
Weight 500 - 750g