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Kelty Cosmic 20 Deg 550 Down Sleeping Bag - Women's, Insulation: 550 Fill Power DriDown, Temperature Rating: 20 Fahrenheit, Bag Shape: Mummy w/ Free S&H — 2 models
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Color: Deep Lake/Trellis Bag Size: Regular Temperature Rating: 20 FahrenheitZipper Type: Right Packed Size: 8 x 13 in / 20 x 33 cm
Code: X18-SI-KTY0667-35413821RR
MPN: 35413821RR
UPC: 727880873066
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List: $214.95Save 42%
$124.49
Color: Laurel Green / Duffel Bag / Tandoori Spice Bag Size: Regular Temperature Rating: 20 FahrenheitZipper Type: Right Packed Size: 8 x 13 in / 20 x 33 cm
Product Info for Kelty Cosmic 20 Deg 550 Down Sleeping Bag - Women's
Remember the trapezoid from high school geometry? Turns out, this funky ol' shape is ideal for helping sleeping bags retain heat. Kelty trapezoidal baffle construction is just one of the reasons the Cosmic Down is still our favorite three-season superstar. Kelty also love the expanded natural-fit footbox for happier feet, zippered stash pocket and fully recycled fabrics and PFAS-free DWR treatment. The Cosmic Down is the total package.
Specifications for Kelty Cosmic 20 Deg 550 Down Sleeping Bag - Women's:
Manufacturer:
Kelty
Bag Size:
Regular
Temperature Rating:
20 Fahrenheit
Bag Shape:
Mummy
Zipper Type:
Right
Lining Material:
50D 300T Polyester
Insulation:
550 Fill Power DriDown
Insulation Weight:
21
Gender:
Female
User Height:
5 ft 8 in (Women's Regular)
Shoulder Girth:
58 in
Foot Girth:
45 in
Hip Girth:
58 in
EN Lower Limit Rating:
21 F / -6 C
EN Comfort Rating:
32 F / 0 C
Packed Size:
8 x 13 in / 20 x 33 cm
Weight:
2.5 lb
Age Group:
Adults
Fabric/Material:
Recycled 20D Nylon Taffeta
Length:
74 in
Warmth Rating:
20
Water Resistance Level:
Water Resistant
Weight Range:
2 - 2.9 lb
EN Rated:
yes
Features of Kelty Cosmic 20 Deg 550 Down Sleeping Bag - Women's
Trapezoidal baffle construction provides enhanced thermal efficiency
Lofty, lightweight and warm 550 Fill Down
Buttery-soft and durable, fully-recycled shell and liner fabrics with PFAS-free DWR
Zippered internal stash pocket keeps your favorite devices close at hand
Full draft tube and collar retain heat and enhance comfort
Quad-stitch anti-snag zipper makes getting in and out easy
Dual locking sliders for venting versatility
Expanded, natural fit footbox more room to wiggle your toes
Stuff sack included, for quick and easy departures
Package Contents:
Kelty Cosmic 20 Deg 550 Down Sleeping Bag - Women's
Customer Reviews for Kelty Cosmic 20 Deg 550 Down Sleeping Bag - Women's
Read All (3)
by
Zoe,
Verified Owner
from IN, United States
Updated on July 28, 2025
It seems like it will perform well, but the weight listed on the website is not accurate. It is actually 3 lbs 7 oz (according to the Kelty tags), not 2.5 lbs. I probably would have returned the bag if I had known how much heavier the bag was, but it’s too close to my trip to get another bag. Very frustrating.
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