Kelty · Sleeping Gear

Cosmic 20 Sleeping Bag - Men's

Name: Cosmic 20 Sleeping Bag - Men's
Brand: Kelty
Price: 182.10 CAD
Availability: InStock

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About this product

The Kelty Cosmic 20 is a men's mummy-style sleeping bag built for backpacking across three seasons. It is insulated with 550-fill-power down arranged in a trapezoidal baffle construction, which helps retain warmth without unnecessary weight. ISO testing places the comfort threshold at 31 degrees Fahrenheit and the lower limit at 21 degrees Fahrenheit (negative 7 degrees Celsius). The shell is made from recycled 50-denier polyester taffeta, while the lining uses recycled 20-denier nylon taffeta, and both fabrics are treated with a C0 and PFC-free durable water repellent finish. A full draft tube and collar work together to seal in heat, and the expanded footbox gives toes extra room to move. Practical touches include a zippered internal stash pocket, dual locking sliders for ventilation control, and a quad-stitch anti-snag zipper. Packed volume is 10.7 liters in regular and 10.4 liters in short, and the bag comes with a stuff sack. The short size weighs 2 pounds 3 ounces.

Category: Sleeping Gear
Brand: Kelty
Color: BLUE
Size: Short: 2 lbs. 3 oz.
Fill: 550-fill-power down
Long: 11 liters
Shell: Recycled 50-denier polyester taffeta
Short: 10.4 liters
Gender: Men's
Lining: Recycled 20-denier nylon taffeta

What people are saying

Reviewers consistently praise the Kelty Cosmic 20 as one of the best budget down sleeping bags available, highlighting its DriDown 550-fill-power insulation, trapezoidal baffle construction for improved heat retention, and impressively compact packed size for the price. The adjustable draft tube, collar, and hood are called out as effective comfort features. The most common complaint is that the 20-degree temperature rating is overstated; most testers find it performs reliably to around 30 to 35 degrees, and cold sleepers should plan accordingly. Other recurring criticisms include a slightly flimsy zipper prone to snagging, a snug mummy fit that can feel restrictive, and a weight that is on the heavier side compared to pricier down alternatives.