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Cosmic Ultra 800 DriDown Sleeping Bag: 0F Down

5 out of 5 stars
1 Review
$389.95 - $409.95
Color:Mandarine Red/Red Ochre



Why We Like The Cosmic Ultra 800 DriDown Sleeping Bag

We stuff the Cosmic Ultra 800 DriDown Sleeping Bag in our pack to hide away from the cold during winter nights in the backcountry. The lightweight down insulation with hydrophobic finish keeps us warmer, longer no matter the weather. We dream worry free with environmental-friendly DWR coating upping this bag's weather resistance.


  • Lightweight, cozy sleeping bag for the winter- and shoulder-seasons
  • DriDown insulation lofts better, dries faster, and stays dry longer
  • C0 and PFC-free DWR coating is water-resistant and eco-friendly
  • New trapezoidal baffle design promotes better heat retention
  • Zippered internal stash pocket holds onto your headlamp and lip balm
  • Natural-fit footbox gives your feet more room to stretch and shift
  • Item #KELO09O
[shell and liner] 20D nylon, C0 and PFC-free DWR coating
800-fill DriDown
Max User Height
[regular] 72in [long] 78in
Shoulder Circumference
[regular] 62.2in, [long] 64.2in
Hip Circumference
[regular] 57.9in, [long] 59.8in
Foot Circumference
[regular] 40.2in, [long] 42.1in
Bag Length
[regular] 77.95in, [long] 83.86in
Draft Tube
anti-snag draft tube
zippered internal stash pocket
Pad Retainer
Fill Weight
[regular] 1lb 15oz, [long] 2lb
European Norm/ISO Comfort Rating
European Norm/ISO Lower Limit Rating
Stuff Sack
Stuff Size
[regular] 10 x 19in [long] 10 x 19in
Claimed Weight
[regular] 3lb 11oz [long] 3lb 12oz
Manufacturer Warranty
limited lifetime

Overall Rating

5 based on 1 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
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4 Stars - 0 reviews
5 Stars - 1 reviews

Fits True To Size

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5 out of 5 stars

April 4, 2024

Every one else froze but me

I've used it once or twice and have initial impressions
Size Bought:

Went camping with the guys in the snow. 15 degrees and I was sleeping in a t-shirt and boxers, no socks and totally warm. They had all sorts of bags and froze their butts off.