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Cosmic Down 40

Item Number: N5414813
Regular Price: $129.95
 On Sale For: $97.95 
2 Reviews: Read all Reviews  |  Write a Review
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MoosejawDick's Sporting GoodsBackcountry EdgeCabelasBob Wards


For warm weather overnights, it’s hard to beat the Cosmic Down 40.  Light, packable, and warm thanks to 550-fill power down, this bag is ideal for summer backpackers who expect value and performance at a great price. 


Bag Features:
  • Quilt-through construction
  • Efficient, form-fitting hood
  • 58 inch dual-slider locking zipper
  • Zipper draft tube with anti-snag design
  • Internal liner loops
  • Sleeping pad security loops
  • Hang loops for storage
  • Ground-level side seams and differential cut for maximum warmth
  • Stuff sack included
  • FatMan and Ribbon™ drawcords
  • Captured cordlock


Temp Rating: 40° / 4°C
Shape: Mummy

EN Comfort Limit: 49oF / 9oC
EN Lower Limit: 41oF / 5oC

Size Regular:
  • Fits to: 6 ft / 183 cm                                   
  • Length: 78 in / 198 cm
  • Shoulder girth: 62 in / 157 cm
  • Fill weight: 12 oz. / .34 kg
  • Total weight: 1 lb 13 oz. / .81 kg
  • Stuffed diameter: 7 in / 18 cm
  • Stuffed length: 12 in / 30 cm
Size Long:
  • Fits to: 6 ft 6 in / 198 cm
  • Length: 84 in / 213 cm
  • Shoulder girth: 64 in / 163 cm
  • Fill weight: 13 oz. / .36 kg
  • Total weight: 1 lb 15 oz. / .87 kg
  • Stuffed diameter: 7 in / 18 cm
  • Stuffed length: 12 in / 30 cm


550 Fill-Power Down

Shell material:
50D Polyester Taffeta

Liner material:
50D Polyester Taffeta
Customer Reviews
Cosmic Down 40
Overall Rating:    based on 2 reviews
Only registered customers can review products
Posted by christopher
May 28, 2014
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(1 people found this comment helpful)
I've used this bag for about seven nights on different trips and am very happy. I generally run cool and did have to add a light layer when the temps ran into the low 40's, but I would have been fine if I didn't have that extra layer. Overall, quality and value are incredible for a down bag at this pricepoint. Highly recommend this bag.
Posted by Suzanne
October 22, 2013
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(2 people found this comment helpful)
I FROZE in this bag when the temperature went down to 50 degrees this fall. I was even all bundled-up in my sweatshirt and still froze. This is definitely a summer-only bag. The rating of 40 degrees is inaccurate! Bag well-constructed. Compacts nicely.

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