Kelty Cosmic

The Kelty Cosmic sleeping bag series features a 0 degree bag in regular and long length as well as a +20 bag (pictured) in short, regular, and long lengths. All of these Kelty Cosmic bags are made of soft, high-loft 550 fill to give you a warm night’s sleep. These sleeping bags also have Slant baffle construction where the fabric of the bag is cut slanted, providing you with more insulation and comfort. Ground level side seams also hold the draft tubes of each bag in place, preventing any cold air from getting into the bag through the zipper. The inner polyester taffeta lining of the Kelty Cosmic is comfortable against your skin and won’t irritate you as you sleep. Each hood of the Kelty Cosmic sleeping bags have different lengths of cord to keep you warm without complicated cords digging into you. There are also hang loops on each of these sleeping bags, allowing for easy drying and storage.

The majority of our reviewers said the Kelty Cosmic sleeping bag series is great for backpacking, 3 season use, and that each bag was extremely comfortable and warm. Many reviewers noted the fact that the Kelty Cosmic series isn’t as tight as most leading mummy bags and that there was plenty of room to move around and get comfortable inside the bag. One reviewer said that the regular size Kelty Cosmic was a bit snug, but at 6 foot, he could still fit in it. The only complaints about this series is that these bags are not full-zip and the zipper would occasionally snag. However, reviewers that had these complaints, still gave the bag a high rating and said they would recommend it to a friend.

Kelty Cosmic Specs

Kelty Cosmic 0 Long
Temperature Rating: 0 Fahrenheit / -16 Celsius
Average Weight: 3lbs 14oz / 1.7 kg
Shell: polyester
Fill: 550-fill down
Fill Weight: 42 ounces
Lining: Polyester taffeta
Fits up to: 78 inches
Shoulder Girth: 66 inches
Stuff Sack Size: 7 X 14 inches
Stuff Sack Volume: 9 liters

Kelty Cosmic 0 Regular
Temperature Rating: 0 Fahrenheit / -16 Celsius
Average Weight: 3lbs 11oz
Average Weight - Metric: 1.6 kilograms
Shell: polyester
Fill: 550-fill down
Fill Weight: 39 ounces
Lining: Polyester taffeta
Fits up to: 72 inches
Shoulder Girth: 62 inches
Stuff Sack Size: 7 X 14 inches
Stuff Sack Volume: 9 liters

Kelty Cosmic +20 Long
Temperature Rating - F: 20 Fahrenheit / -7 Celsius
Average Weight: 2lbs 12oz / 1.2 kg
Shell: polyester
Fill: 550-fill down
Fill Weight: 23 ounces
Lining: Polyester taffeta
Fits up to: 78 inches
Shoulder Girth: 64 inches
Stuff Sack Size: 8 X 14 inches
Stuff Sack Volume: 11.5 liters

Kelty Cosmic +20 Regular
Temperature Rating - F: 20 Fahrenheit / -7 Celsius
Average Weight: 2lbs 8oz / 1.1 kg
Shell: polyester
Fill: 550-fill down
Fill Weight: 20 ounces
Lining: Polyester taffeta
Fits up to: 72 inches
Shoulder Girth: 62 inches
Stuff Sack Size: 8 X 14 inches
Stuff Sack Volume: 11.5 liters

Kelty Cosmic +20 Short
Temperature Rating - F: 20 Fahrenheit / -7 Celsius
Average Weight: 2lbs 3oz / 1.0 kg
Shell: polyester
Fill: 550-fill down
Fill Weight: 18 ounces
Lining: Polyester taffeta
Fits up to: 66 inches
Shoulder Girth: 58 inches
Stuff Sack Size: 8 X 14 inches
Stuff Sack Volume: 11.5 liters