Big Agnes Blackburn UL 0 Sleeping Bag is currently out of stock.
Big Agnes Blackburn UL 0 Sleeping Bag
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The Big Agnes Blackburn UL 0 Sleeping Bag is one of the most technically designed Big Agnes System bags with a Flex Pad Sleeve design, durable nylon ripstop shell fabric, and extra warm 850 fill power DownTek™ water repellent insulation. The streamlined silhouette on this Big Agnes sleeping bag increases thermal efficiency while the Free Range Hood gives you freedom to lift your head. Complete with an included storage sack and stuff sack, the Big Agnes Blackburn UL 0 Sleeping Bag is great for backpacking, camping, or more!
- Zipper Garage
- Mate together left and right zip bags
- Anti-snag zipper for a smooth, quick zip
- Exterior loops for hang drying or storage
- Interior fabric loops for sleeping bag liners
- No-draft collar, no-draft wedge, no-draft zipper
- Mesh storage sack & polyester ripstop stuff sack
- Streamlined silhouette for increased thermal efficiency
- Flex Pad Sleeve easily connects your bag to your pad
- Free Range Hood gives you the freedom to lift your head.
- Jacket-style hood opening contours to the face for a comfortable fit
- Fill weight: Small 22 oz. / Regular 24 oz. / Long 26 oz.
- Stuff sack size: Small 9x20in. / Regular 9x20in. / Long 9x20in.
- Bag weight: Small 2lb. 6oz. / Regular 2lb. 10oz. / Long 2lb. 14oz
- Pad Sleeve: Small 20-25x66in. / Regular 20-25x72in. / Long 20-25x78in.
- Compressed bag size: Small 9x20in. / Regular 6.5x7.5in. / Long 7.5x8.5in.
- Lining: Nylon taffeta
- Construction: Insotect Flow™
- Shell: Nylon ripstop shell fabric with a water repellent finish
- Insulation: 850 fill DownTek™ - a water repellent down that uses a PFC-Free, bluesign™ approved chemistry.
The bag does have some cons though. The zipper seems to get snagged every...single...time. Sometimes, it gets snagged several times in one attempt.
The outside doesn't shed water, it absorbs it immediately. This bag is new, it shouldn't.
Lastly is my fault. I attempted an overnight gear test just a mile from the trailhead. I was sleeping with an insulated pad with an R-Value of 4.4 on the snow with ambient temps in the low 30's-high 20's. I was sleeping with dry military thermals and fresh wool socks and expected to be on the warm side throughout the night. The cold spot under my hips never went away. I went to sleep at 8:30, by midnight the cold spot had grown and it was uncomfortable. By 4 am, rolling from side to side wasn't working anymore and I was cold. By 5:30 I was starting to shiver.
Don't let the last part dissuade you from purchase, just beware that unless you have a very high R-value pad, you will be cold.
I work outdoors for a living and have for twenty years, so I am familiar with different sleeping bags. While there are some great features on this one, I think the temperature rating for this sleeping bag is not advertised correctly. I was VERY cold sleeping in this bag during 20 degree and 15 degree temperatures. I would consider this bag to be a 25 degree or 30 degree rating.
After trying out this bag and freezing in it during nights that weren't even close to a low of 0 degrees, I called Big Agnes customer service. They recommended that I add an extra foam layer of insulation to my sleeping pad set-up. This did not help. I tried my own layers and then no layers to see if that shifted the situation. No luck. The amount of fill on the top of the bag, combined with the lack of any fill on the underside of the bag (by design), just didn't seem to hold up AT ALL to temperatures anywhere close to its rated 0 degrees.
Finally, I decided to return this sleeping bag because the temperature rating was so far off (and I really needed a bag that kept me warm close to 0 degrees). I received 80% credit from Big Agnes towards another sleeping bag. While I appreciated the credit, I felt frustrated because this sleeping bag was SO FAR from being accurately rated for temperature, in my opinion. A zero degree bag rating seems like false advertising and so I wish the company had addressed the problem as more than a simple "I didn't like my new sleeping bag" return. I used my credit to to purchase a Big Agnes -20 degree Starfire Bag. Fingers crossed!