--- product_id: 620456365 title: "Kelty Cosmic 20 Down Mummy Sleeping Bag for Backpacking, Campers, 550 Fill Power, Recycled Fabrics with PFAS-Free DWR, Designed in Sunny Colorado," brand: "kelty" price: "HK$3172" currency: HKD in_stock: true category: "Kelty" url: https://www.desertcart.hk/products/620456365-kelty-cosmic-20-down-mummy-sleeping-bag-for-backpacking-campers store_origin: HK region: Hong Kong --- # 550 Fill Power Down 100% Recycled Fabrics ISO 21ยฐF Limit Rating Kelty Cosmic 20 Down Mummy Sleeping Bag for Backpacking, Campers, 550 Fill Power, Recycled Fabrics with PFAS-Free DWR, Designed in Sunny Colorado, **Brand:** kelty **Price:** HK$3172 **Availability:** โœ… In Stock ## Summary > ๐ŸŒŸ Sleep Sustainably, Adventure Boldly! ## Quick Answers - **What is this?** Kelty Cosmic 20 Down Mummy Sleeping Bag for Backpacking, Campers, 550 Fill Power, Recycled Fabrics with PFAS-Free DWR, Designed in Sunny Colorado, by kelty - **How much does it cost?** HK$3172 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/620456365-kelty-cosmic-20-down-mummy-sleeping-bag-for-backpacking-campers) ## Best For - kelty enthusiasts ## Why This Product - Trusted kelty brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - โ€ข **Innovative Heat Retention:** Trapezoidal baffle design locks in warmth where you need it most, keeping you toasty on chilly nights. - โ€ข **Eco-Conscious Craftsmanship:** Made with 100% recycled nylon and polyester, plus PFAS-free DWRโ€”camp guilt-free and stylishly green. - โ€ข **Tailored Fit for Trailblazers:** Available in Short, Regular, and Long sizes to fit up to 7 feet tall, ensuring cozy comfort for every explorer. - โ€ข **Sustainably Warm & Lightweight:** 550 fill power down delivers premium warmth without the bulk, perfect for three-season adventures. - โ€ข **Smart Features for Modern Campers:** Dual-direction zippers, zippered stash pocket, and an expanded natural-fit footbox combine convenience with comfort. ## Overview The Kelty Cosmic 20 Down Sleeping Bag is a lightweight, highly compressible mummy bag designed for three-season backpacking. Featuring 550 fill power ethically sourced down, recycled nylon and polyester fabrics with PFAS-free durable water repellent, and a heat-retentive trapezoidal baffle construction, it offers sustainable warmth and comfort. Available in multiple sizes to fit campers up to 7 feet tall, it includes practical features like dual-direction zippers and a zippered stash pocket, all backed by Keltyโ€™s legacy of quality since 1952. ## Description Remember the trapezoid from high school geometry? Turns out, this funky ol' shape is ideal for helping sleeping bags retain heat. Our trapezoidal baffle construction is just one of the reasons the Cosmic Down is still our favorite three-season superstar. We also love the expanded natural-fit footbox for happier feet, zippered stash pocket and fully recycled fabrics and PFAS-free DWR treatment. The Cosmic Down is the total package. ## Features - Recycled Nylon and Recycled Polyester Taffeta - Imported - A KELTY CLASSIC: The cosmic 20 has long been a staple of Keltyโ€™s backpacking lineup and a favorite of campers worldwide with 550 FP compressible down, silky soft fabrics, dual direction zippers, the cosmic is built for comfort at the campsite - PFAS FREE AS IT SHOULD BE: None of that toxic stuff here โ€“ Recycled nylon and polyester taffeta shell and liner fabrics to keep even more out of the landfill, finished with durable water repellent. Planet Earth approved - SUSTAINABLE + TRACEABLE DOWN: Did we mention all our down is 100% ethically sourced and traceable via RDS? Info on product tag to trace each specific batch of down, Kelty means business when it comes to sustainability. - 1952: Since Eisenhower was in the oval, Kelty has been designing camping gear in sunny Colorado. A founding member of The Conservation Alliance, Kelty continues to lead the industry with quality gear for your outdoor shenanigans on or off the trail - THE DEETS: Each size up represents additional 6โ€ of total length: Short fits sleepers up to 5โ€™ 6โ€, Regular 6โ€™, Long 6โ€™ 6โ€. ISO limit rating 21 degrees, ISO extreme rating -11 degrees. Total weight about 2 lbs. 6 oz. (regular) stuffed size 13 x 7โ€ ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CSPJR61T | | Additional Features | Highly Compressible and Lightweight, RDS Certified Down, Recycled Shell + Liner Fabrics | | Age Range Description | Adult | | Best Sellers Rank | #14,186 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #58 in Camping Sleeping Bags | | Brand | Kelty | | Brand Name | Kelty | | Closure Type | Zipper | | Color | Dark Blue | | Customer Reviews | 4.7 out of 5 stars 59 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 | ## Product Details - **Age Range (Description):** Adult - **Brand:** Kelty - **Color:** Dark Blue - **Material:** PFC-free DWR, [lining] 50D polyester, [shell] 20D nylon - **Occupancy:** 1 Person - **Seasons:** 3 Seasons - **Shape:** Mummy - **Special Feature:** Highly Compressible and Lightweight, RDS Certified Down, Recycled Shell + Liner Fabrics - **Sport:** Camping & Hiking, Backpacking - **Temperature Rating:** 20 Degrees ## Images ![Kelty Cosmic 20 Down Mummy Sleeping Bag for Backpacking, Campers, 550 Fill Power, Recycled Fabrics with PFAS-Free DWR, Designed in Sunny Colorado, - Image 1](https://m.media-amazon.com/images/I/51tiHd10hnL.jpg) ![Kelty Cosmic 20 Down Mummy Sleeping Bag for Backpacking, Campers, 550 Fill Power, Recycled Fabrics with PFAS-Free DWR, Designed in Sunny Colorado, - Image 2](https://m.media-amazon.com/images/I/618+2iinn4L.jpg) ![Kelty Cosmic 20 Down Mummy Sleeping Bag for Backpacking, Campers, 550 Fill Power, Recycled Fabrics with PFAS-Free DWR, Designed in Sunny Colorado, - Image 3](https://m.media-amazon.com/images/I/71mSOGtZVsL.jpg) ![Kelty Cosmic 20 Down Mummy Sleeping Bag for Backpacking, Campers, 550 Fill Power, Recycled Fabrics with PFAS-Free DWR, Designed in Sunny Colorado, - Image 4](https://m.media-amazon.com/images/I/71JnpvKQNJL.jpg) ![Kelty Cosmic 20 Down Mummy Sleeping Bag for Backpacking, Campers, 550 Fill Power, Recycled Fabrics with PFAS-Free DWR, Designed in Sunny Colorado, - Image 5](https://m.media-amazon.com/images/I/71NZgIQE92L.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - Kelty Cosmic 20 Down Mummy Sleeping Bag for Backpacking, Campers, 550 Fill Power, Recycled Fabrics with PFAS-Free DWR, Designed in Sunny Colorado, USA, 2024 Model - Sawyer Products SP129 Squeeze Water Filtration System w/ Two 32-Oz Squeeze Pouches, Straw, and Hydration Pack Adapter - TOAKS Titanium 750ml Pot --- ## Why Shop on Desertcart? - ๐Ÿ›’ **Trusted by 1.3+ Million Shoppers** โ€” Serving international shoppers since 2016 - ๐ŸŒ **Shop Globally** โ€” Access 737+ million products across 21 categories - ๐Ÿ’ฐ **No Hidden Fees** โ€” All customs, duties, and taxes included in the price - ๐Ÿ”„ **15-Day Free Returns** โ€” Hassle-free returns (30 days for PRO members) - ๐Ÿ”’ **Secure Payments** โ€” Trusted payment options with buyer protection - โญ **TrustPilot Rated 4.5/5** โ€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hk/products/620456365-kelty-cosmic-20-down-mummy-sleeping-bag-for-backpacking-campers](https://www.desertcart.hk/products/620456365-kelty-cosmic-20-down-mummy-sleeping-bag-for-backpacking-campers) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-11-07*