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Cosmic 40 Sleeping Bag: 40F Down

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Color:Dill/Duffel Bag/Cherry Mahogany



Why We Like The Kelty Cosmic 40 Sleeping Bag

The Kelty Cosmic 40 Sleeping Bag provides lightweight warmth and maximum comfort from spring through fall. The bag is cut with generous room around and shoulders and feet, with an expanded natural-fit footbox that allows our toes to wiggle while we sleep. The 550-fill down is light and lofty, trapping warmth to keep us sleeping soundly on cooler nights, and the two-way zippers allow us to keep hot air moving through the warmer months. The bag has an internal stash pocket that allows us to keep track of our phone, watch, or headlamp while we sleep, and packs down small in the included stuff sack for quick overnight adventures.


  • Lightweight down sleeping bag for warm weather camping trips
  • 550-fill down provides comfortable warmth on cool nights
  • Nylon exterior protects the fragile down from snags
  • DWR treatment helps keep down lofty in damp conditions
  • Full-length draft tube and collar minimize heat loss
  • Two-way zippers allow us to circulate out hot air
  • Zippered internal pocket keeps our devices warm overnight
  • Included stuff saack packs down small for quick overnight trips
  • Item #KELO0CQ
Responsible Collection
[face fabric] 20D recycled nylon, PFC-DWR treatment, [lining] 50D recycled polyester
550-fill duck down
full-length, right zip
Max User Height
[regular] 6ft, [long] 6ft 7in
Shoulder Circumference
[regular] 62in, [long] 64in
Hip Circumference
[regular] 58in, [long] 60in
Foot Circumference
[regular] 46in, [long] 52in
Bag Length
regular (78in), long (84in)
Draft Tube
1 zippered internal stash
two-way zippers
Fill Weight
[regular] 9.1oz, [long] 10oz
Stuff Sack
Stuff Size
7x 11in
Claimed Weight
[regular] 1lb 10oz, [long] 1lb 12oz
hike & camp
Manufacturer Warranty
limited lifetime

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