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🌿 Sleep Green, Dream Warm: The Cosmic 20 for the conscious adventurer
The Kelty Cosmic 20 is a 3-season, 550-fill power down mummy sleeping bag designed for backpackers and campers who demand lightweight warmth and sustainability. Made with recycled nylon and polyester fabrics treated with PFAS-free DWR, it features ethically sourced, traceable down certified by RDS. With an ISO comfort rating of 32°F and limit rating of 21°F, plus smart features like dual zippers and a draft tube, it balances performance and eco-conscious design to extend your outdoor season without compromise.
| ASIN | B0CSPJR61T |
| Additional Features | Highly Compressible and Lightweight, RDS Certified Down, Recycled Shell + Liner Fabrics |
| Age Range Description | Adult |
| Best Sellers Rank | #13,062 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #45 in Camping Sleeping Bags |
| Brand | Kelty |
| Brand Name | Kelty |
| Closure Type | Zipper |
| Color | Dark Blue |
| Customer Reviews | 4.7 out of 5 stars 51 Reviews |
| Fabric Type | Recycled Nylon and Recycled Polyester Taffeta |
| Fill Material Type | Down |
| Included Components | Kelty Cosmic 20 Sleeping Bag, Kelty Limited Lifetime Warranty, Stuff Sack |
| Item Dimensions L x W | 84"L x 30"W |
| Item Type Name | Down Sleeping Bag |
| Item Weight | 2.8 pounds |
| Manufacturer | Kelty |
| Manufacturer Part Number | 35413724LR |
| Material | PFC-free DWR, [lining] 50D polyester, [shell] 20D nylon |
| Maximum Height Recommendation | 7 feet |
| Model Number | Kelty |
| Number of Items | 1 |
| Occupancy | 1 Person |
| Seasons | 3 Seasons |
| Shape | Mummy |
| ShellMaterial | Recycled 20D Nylon Taffeta |
| Size | Long |
| Sport Type | Camping & Hiking, Backpacking |
| Temperature Rating | 20 Degrees |
| UPC | 727880887520 |
| Unit Count | 1 Count |
| Warranty Description | Kelty Limited Lifetime Waranty |
R**N
Tight at the shoulder
Excellent bag, well built, lightweight, and warm, perfect for backpacking. Comfortable down to about freezing (32°f). I am 6' 2" tall, about 26" across at the shoulder. I purchased the long version. Length is good probably fit a guy up to 6' 6". However the bag is "snug" at the shoulder and arms. Not tight per say but not a lot of room eather. Difficult to fully zip and unzip because it is tight with one arm flexed or "bent" in order to zip. If you are a barrel chested, muscular, or husky man you are not going to like this bag. I have taken to using it as a blanket. Otherwise very happy.
D**A
Great Bag for Tall People
Great bag, I’m 6’3” and fits very well. Love the zipper from the bottom up for hot nights. Great top hold for keeping your pillow in place. I’d recommend the sea to summit 15L compression bag for packing up small.
C**E
Does the job!
I just took this backpacking. It was about 30 degrees at night. I ended up going sans pants on night 2/3 cause I was so warm. Needless to say it keeps one warm. Oh and I easily put the bag back into it's slip cover without hassle.
C**R
Excellent product.
I've had this bag in very cold ❄️ weather and stayed warm,kelty is a good brand.
A**R
Good bag. No complaints
Awesome bag. I’m 6’4” and 320 and it’s definitely tight but it will keep you warm around 20 degrees. I typically get hot when I sleep so I guess ff you don’t then you’ll probably want a 15 or zero degree bag. It packs down pretty small which is great for multiple day trips when I need to pack lots of other stuff
R**G
Great bag
Love this bag. I have a warmer and heavier bag but this is my favorite. Used it in boundary waters trip in a hammock tent. Got down to 37 degrees at night but I was cozy. Love the small size it folds up in a small case. Perfect for backpacking.
R**O
Amazing, best sleepingbag ever!
Amazing, best sleepingbag ever!
D**N
Satisfied with purchase
Kept me the perfect temperature. Used at around 56ish f I think and was surprised. This was my first down sleeping bag which also packed down small.
Trustpilot
1 week ago
2 months ago