-1°C

Big Agnes Flume UL 30 Down Sleeping Bag

-1°C Comfort Limit, 340-397g of 850 Fill Power DownTek (US Method)
Weighs 634g (Regular bag)
Code: SS17742
  • From £399.99
  • (FREE UK & EU Delivery)
+ In Stock Now | Usually dispatched within 24 hours
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The Flume UL 30 is part of the ultralight range of Big Agnes sleeping bags that maximise warmth through the use of the latest sleeping bag construction technology and top quality materials.

Big Agnes says: Technical, ultralight down fill traditional mummy bags designed to excel in all conditions.

These technical ultralight bags are designed for adventures where every ounce counts, each nook and cranny in your pack is accounted for, and you depend on the performance of your sleeping bag like you would a harness, helmet, or beacon.

The Flume UL 30 is part of the ultralight range of Big Agnes sleeping bags that maximise warmth through the use of the latest sleeping bag construction technology and top quality materials.

The Downtec hydrophobic treated 850 fill power down repels water and speeds up drying time it if does get wet.

The lightweight nylon ripstop fabrics are durable and soft to the touch. Vertical side walls help to trap heat closer to your body and the contoured hood will cradle your head for a more comfortable fit.

Think of the Big Agnes Hitchens UL 20 sleeping bag as a big soft warm hug. The moment the Hitchens is opened out you can see the down expanding and filling the bag. The bag is designed using Insotect Flow technology which uses vertical baffles to transfer heat from the core of your body to your extremities so it will help keep your feet warm.

The 1/2 length zip might limit the ability to ventilate the sleeping bag on warmer nights but keeps weight to a minimum.

- Reviewed by Ultralight Outdoor Gear

Help and advice:Choosing a sleeping bag adviceEN 13537 rating for sleeping bags explainedAll about down filling in sleeping bags
Sleeping bag shape and sizes adviceSleeping Bag features Page 1Sleepin bag features page 2
  • Traditional mummy shape allows for light weight and increased thermal value
  • Body mapped baffle construction optimizes thermal efficiency
  • 3-D anti-snag draft tube prevents heat loss along the zipper
  • Vertically structured side walls integrating contoured baffles trap heat closer to the body
  • Contoured hood baffles cradle the head for a more comfortable fit
  • Oversized interior anti draft collar
  • Ergonomic foot box construction provides more loft and warmth
  • Ultralight high tenacity shell fabric (Flume UL & Hitchens UL)
  • Superlight shell fabric with high tear strength (Crosho UL)
  • DownTek™ water repellent down repels water while maintaining insulating value
  • Low profile cordlock lets you un-cinch the hood with one hand
  • Minimal zipper cuts weight and reduces cold spots
  • 40"/102cm YKK #5 zipper
  • Zipper Garage
  • Interior fabric loops for sleeping bag liners
  • Streamlined exterior loops for hang drying or storage
  • Mesh storage sack & nylon stuff sack
 RegularLong
Weight634g706g
Fill850 DownTek850 DownTek
Fill weight340g / 12oz397g / 14oz
Stuff sack size19 x 38cm19 x 38cm
Compressed bag size14 x 18cm14 x 20cm
Length183cm198cm
Shoulder Girth
152cm158cm
Hip Girth
137cm142cm
Foot Girth
91cm97cm
Comfort Limit
-1°C-1°C

Materials & Construction

  • Nylon rip-stop shell fabric with a water repellent finish
  • Nylon rip-stop lining
  • Insotect Flow™ construction
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