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Big Agnes
Lost Ranger 3N1 Sleeping Bag: 0F Down

5 out of 5 stars
1 Review
Color:Legion Blue/Tapestry



Why We Like The Lost Ranger 3N1 Sleeping Bag

Imagine a single sleeping bag that's light enough for a backpacking trip, warm enough for sub-freezing temperatures, and simultaneously cool enough for summer stargazing. The Lost Ranger 3N1 Sleeping Bag might not be exactly that, but it does borrow tech from versatile three-in-one jackets to create comfort no matter the season. A light and lofty rectangular bag is fit for warm summer nights, the inner mummy-style Sidewinder bag delivers comfort for the shoulder seasons, and together, the two create insulation rated for zero-degree sleeps.


  • Versatile sleep system with three bags in one for all-season camping
  • When mated, 0-degree rating is fit for sub-freezing camp conditions
  • Rectangular and mummy bags offer warmer season comfort separately
  • DownTek insulation treated to stay warm and lofty in any weather
  • Cinching pad retainer keeps sleeping bag secure through the night
  • Outer bag features corner pockets for wrap-around snuggly warmth
  • Inner mummy bag with a jacket-style hood to trap more body heat
  • Sidewinder shaping offers comfort for both side and back sleepers
  • Item #BAGZ2C4
Responsible Collection
[face fabric, pad sleeve] nylon, PFC-free water-repellent coating, [lining] 20D 100% recycled polyester
650-fill DownTek (down, PFC-free water-repellent coating)
[outer bag] semi-rectangular, [inner bag] mummy
two-way, 3/4-length
Max User Height
[regular] 6ft, [long] 6ft 6in
Shoulder Circumference
[outer bag] (regular) 69in, (long) 72in, [inner bag] (regular) 62in, (long) 65in
Hip Circumference
[outer bag] (regular) 61in, (long) 64in, [inner bag] (regular) 54in, (long) 57in
Foot Circumference
[outer bag] (regular) 55in, (long) 58in, [inner bag] (regular) 43in, (long) 46in
Bag Length
[regular] 6ft, [long] 6ft 6in
Draft Tube
[outer bag] no, [inner bag] yes
[outer bag] 2 hand, [inner bag] none
Pad Retainer
[outer bag] Pad Cinch System, rectangular pad recommended (20 - 30 x 72 - 78in), [inner bag] no
two-way zippers
Fill Weight
[combined bags] (regular) 30oz, (long) 33oz, [outer bag] (regular) 10oz, (long) 11oz, [inner bag] (regular) 20oz, (long) 22oz
[combined bags] 0F, [outer bag] 45F, [inner bag] 20F
European Norm/ISO Comfort Rating
[combined bags] 12F
European Norm/ISO Lower Limit Rating
[combined bags] -42F
Storage Sack
Stuff Sack
Stuff Size
[stuff size] 9 x 20in, [compressed size] (regular) 11.5 x 10.5in, (long) 12 x 9.5in
Claimed Weight
[combined bags] (regular) 3lb 12oz, (long) 4lb 2oz, [outer bag] (regular) 1lb 9oz, (long) 1lb 12oz, [inner bag] (regular) 2lb 2oz, (long) 2lb 6oz
backpacking, weekend camping
Manufacturer Warranty

Overall Rating

5 based on 1 ratings

Review Summary

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5 Stars - 1 reviews

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5 out of 5 stars

October 26, 2022

I've used it several times

Jesse l