Kelty Cosmic Down Sleeping Bag
Best lightweight sleeping bag for budget conscious adventurers.
This reliable three-season bag balances warmth and weight using efficient baffle construction and high-quality down. It prioritizes comfort with a spacious footbox and thoughtful features like an anti-snag zipper and internal storage, making it a dependable choice for varied outdoor conditions.
$214.95
at
Stoked DSM
More Cosmic options
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.
Performance breakdown
Thermal Efficiency
Trapezoidal baffles and draft tubes effectively trap heat for chilly nights.
Weight-to-Warmth Ratio
Solid insulation performance, though 550-fill down adds bulk compared to premium bags.
Interior Comfort
The natural-fit footbox provides generous space for restless sleepers to move.
Ease of Entry
The quad-stitch anti-snag zipper makes late-night exits smooth and frustration-free.
Sustainability Profile
Recycled fabrics and PFAS-free treatments set a high standard for eco-conscious gear.
Weather Resistance
Reliable water-repellent treatment handles light moisture well, but avoid heavy soaking.
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
Water Resistant
Yes
Season Rating
3-season
Know before you buy
Still have a question?
Ask Metto anything about the Kelty Cosmic Down Sleeping Bag before you decide.