Kelty
Cosmic Down 20
Best lightweight sleeping bag for budget conscious adventurers.
Designed for three-season versatility, this sleeping bag utilizes trapezoidal baffle construction to maximize heat retention. The interior features a spacious, natural-fit footbox that allows for comfortable movement, while the internal stash pocket keeps essentials secure. Constructed with fully recycled fabrics and a PFAS-free water-repellent treatment, it balances environmental responsibility with reliable performance. A full draft tube and collar work together to seal in warmth, and the anti-snag zipper ensures smooth operation during entry and exit. This reliable option provides a cozy, efficient environment for restful nights in the backcountry, regardless of the temperature drop.
$189.95
More Cosmic Options
Cosmic 20
$159.95
Cosmic 40
$119.95
Cosmic Synthetic 0 Degree
$139.95
Cosmic Synthetic 20 Degree
$119.95
Cosmic Synthetic 20
$109.95
Cosmic 20 Degree Sleeping Bag
$159.95
Cosmic Ultra 20 Degree
$269.95
Cosmic
$314.95
Cosmic 20 Sleeping Bag (Long)
$109.95
Cosmic 20 Sleeping Bag
$118.22
Cosmic Ultra 0°F Sleeping Bag
$219.95
Cosmic Ultra 800 DriDown Sleeping Bag
$184.48
Cosmic 0 Synthetic Sleeping Bag
$129.95
Cosmic 20 Sleeping Bag
$118.22
Cosmic Ultra 0°F
$245.97
Kelty Cosmic 20
$169.99
Kelty Cosmic Synthetic 0 Degree Sleeping Bag
$166.00
Kelty Cosmic Down 20
$189.95
Kelty Cosmic Ultra 0
$369.95
Cosmic Synthetic 40 Degree
$99.95
Cosmic Synthetic 20
$109.95
Owner Satisfaction
4.5
/ 5
Category Rank
1010
/ 2020
#1010 in Sleeping Bags
Price vs Category Average
+14%
Above average
Temperature Rating
20
/ °F
Who it's for
- Budget-conscious campers seeking reliable down performance.
- Backpackers prioritizing warmth and minimal pack weight.
- Campers needing enhanced moisture protection for their sleeping bag.
Who should skip it
- Ultralight backpackers needing the absolute smallest packed size.
- Adventurers requiring a single bag for diverse seasonal conditions.
- Experienced users desiring advanced comfort and performance features.
Key Specs
Temperature Rating
20°F
Sleeping Bag Shape
Semi-Rectangular
Insulation Type
550 Fill Down
Fill Power
550 cubic inches per ounce
Weight
3.3 lbs
Shell Material
Recycled 20D Nylon Taffeta
Lining Material
Recycled 50D Polyester Taffeta
Zipper Location
Side
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