Kelty Cosmic Down 20 Sleeping Bag (Prior Year)

$122.99 - $136.99
(1 review)
Current Stock:
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Remeber the trapezoid from 10th-grade geometry? Turns out, this funky ol' shape is ideal for helping sleeping bag baffles retain heat. The trapezoidal baffle construction improves on Kelty's best selling Cosmic 20 sleeping bag - and it's just one of the reasons the Kelty Cosmic Down 20 is still Kelty's favorite three-season superstar. The natural-fit foot box makes for happier feet, and a PFC-free water-repellent coating is used for a healthier environment.


Innovative trapezodial baffle construction = thermal efficiency

Lightweight and warm 550 fill down

Environmental and health friendly CO and PFC-free DWR fabrics

Zippered internal stash pocket for headlamp, cell phone or actual stash

Buttery-soft adn durable 20D Nylon shell fabric

Zipper draft tube with anti-snag zipper design makes it easy to get in and out

Dual slider for ventillation with locking zippers

Natural fit spacious footbox = more room to wiggle your toes

Comes with stuff sack for quick deaprtures


 ISO Extreme Rating: = -11 degrees

ISO Limit Rating: 21 degrees

ISO Comfort Rating: 32 degrees

Temperature Rating: 20 degrees

Bag Shape: Mummy

Regular Size:

Fits to: 6'0"

Weight: 2.52 lb

Fill Weight: 16.37 oz

Stuff Sack Size: 8" x 13"

Length: 78 i n

Shoulder Circumference: 62 in

Hip Circumference: 58 in

Foot Circumference: 40 in


Insulation: 550FP Duck Down

Shell material: 20D 400T Nylong

Liner material: 50D 300T Polyester



  • 5
    Durable, lightweight and warm.

    Posted by Oren on May 19th 2022

    Definitely a great investment for backpacking in the late spring, summer and early fall. You won’t get cold or hot. Within seconds, comfortable warmth will surround your body which will last for hours.