Big Agnes Lost Ranger 3N1 -18C Down Sleeping Bag - Men's


Colour: Legion Blue/Tapestry

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Shop with confidence. If it’s not working out, you can return it (consumables, electronics, undergarments and swimwear excluded).
Really. If it's not up to snuff after you use it (a couple times) you can still bring it back. It lasts longer than 30 days, but not forever. We'll be fair about it.


Dial in the perfect setup for the weather with the Lost Ranger 3N1, part of the Big Agnes sleep system lineup. The multilayer zippered system lets you adjust insulation to match the conditions. To save weight, there is less insulation on the bottom where the down would be crushed beneath your body and provide little warmth. Instead, an integrated sleeve holds your sleeping pad securely under you. The cut is roomier than a traditional mummy bag, but the overall weight is comparable to a narrower cut bag.

  • Shell is lightweight recycled polyester with a water repellent finish. Lining is soft polyester microfiber
  • DownTek fill is treated for water-repellency, and has antimicrobial and antibacterial protection
  • 3N1 system has an inner and outer bag for multiple sleeping options
  • Temperature ratings: Complete system -18 ºC, Inner bag -7 ºC, Outer bag 7 ºC
  • Create a doublewide sleeping bag by connecting two 3N1 bags
  • Since there's less insulation on the bottom, for best results, use with pads that have an R-value of 4 or more
  • Integrated sleeping pad sleeve has side stretch panels to accommodate different pad thicknesses. Regular size fits a pad up to 51 x 183cm. Long fits a pad up to 51 x 198 cm
  • Free Range Hood lets you lift and move your head, even when fully zipped up and has a one-handed cinch adjustment
  • Built-in pocket keeps a pillow in place through the night
  • Interior loops for attaching a bag liner
  • Includes a mesh storage bag and a nylon stuff sack

Tech specs

Weight1.87kg (Long)
1.70kg (Regular)
Ideal for
  • Backpacking
  • Winter and expedition camping
  • 650 fill-power water-repellent goose down
936g (Long)
850g (Regular)
  • DownTek
  • Baffle
Face fabric
  • Nylon ripstop
  • 20-denier recycled polyester
Packed size30 x 24cm (Long)
29 x 27cm (Regular)
Shoulder girth165cm (Long)
157cm (Regular)
Hip girth114cm (Long)
137cm (Regular)
Foot girth99cm (Long)
109cm (Regular)
Additional feature(s)
  • DWR-treated shell fabric
  • Pillow pocket
  • Sleeping pad sleeve or straps
  • Home storage sack included
  • Stuff sack included
  • Regular fits to 6' 0" (183 cm)
  • Long fits to 6' 6" (198 cm)
Product sustainability
  • Bluesign® Approved Material
  • Recycled content
Made inChina

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4 out of 5 stars with 1 reviews for Big Agnes Lost Ranger 3N1 -18C Down Sleeping Bag - Men's

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