--- product_id: 651257574 title: "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" brand: "kelty" price: "AR$1084607" currency: ARS in_stock: true category: "Kelty" url: https://www.desertcart.com.ar/products/651257574-kelty-cosmic-20-down-mummy-sleeping-bag-for-backpacking-campers store_origin: AR region: Argentina --- # 550 Fill Power Down Recycled Nylon & Polyester ISO 21°F 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, USA, 2024 Model **Brand:** kelty **Price:** AR$1084607 **Availability:** ✅ In Stock ## Summary > 🌟 Sleep Green, Dream Warm: The Cosmic 20 is your eco-friendly ticket to cozy campfire nights! ## 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, USA, 2024 Model by kelty - **How much does it cost?** AR$1084607 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/651257574-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 - • **Lightweight & Compressible:** At just 2 lbs 6 oz, this sleeping bag fits effortlessly into your pack without weighing you down. - • **Eco-Conscious Craftsmanship:** PFAS-free durable water repellent and recycled fabrics keep you cozy while protecting the planet. - • **Premium 550 Fill Power Down:** Experience ultra-lightweight warmth that packs small but performs big on chilly nights. - • **Ethically Sourced & Traceable:** Every down batch is RDS certified and traceable—transparency you can trust on every adventure. - • **Tailored Fit for Every Explorer:** Available in Short, Regular, and Long sizes to perfectly match your height and maximize comfort. ## Overview The Kelty Cosmic 20 Down Mummy Sleeping Bag is a 2024 model designed in Colorado, featuring 550 fill power ethically sourced down, recycled nylon and polyester shell with PFAS-free durable water repellent, and an ISO limit rating of 21°F. Lightweight and highly compressible, it offers tailored sizing and sustainable performance for serious backpackers and campers. ## Description Shop 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 (Regular). Free delivery and returns on all eligible orders. ## Features - A KELTY CLASSIC: The cosmic 20 has long been a staple of Kelty’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 – 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 6” of total length: Short fits sleepers up to 5’ 6”, Regular 6’, Long 6’ 6”. ISO limit rating 21 degrees, ISO extreme rating -11 degrees. Total weight about 2 lbs. 6 oz. (regular) stuffed size 13 x 7” ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CSPKCJZK | | Age Range Description | Adult | | Best Sellers Rank | 57,925 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 60 in Mummy Sleeping Bags | | Brand Name | Kelty | | Closure Type | Zipper | | Colour | Deep Teal | | Customer Reviews | 4.6 4.6 out of 5 stars (105) | | 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 | 198.1L x 76.2W centimetres | | Item Shape | Mummy | | Item Type Name | Down Sleeping Bag | | Item Weight | 2.58 Pounds | | Manufacturer | Kelty | | Manufacturer Part Number | 35413724RR | | Material | Nylon, Polyester | | Maximum Height Recommendation | 72 Inches | | Model Number | Kelty | | Number of Items | 1 | | Occupancy | 1 Person | | Outer Material Type | Recycled 20D Nylon Taffeta | | Seasons | 3 Seasons | | Size | Standard | | Special Features | Highly Compressible and Lightweight, RDS Certified Down, Recycled Shell + Liner Fabrics | | Sport Type | Camping & Hiking, Backpacking | | Temperature Rating | 20 Degrees | | UPC | 727880887513 | | Unit Count | 1.0 count | ## Product Details - **Age range (description):** Adult - **Brand:** Kelty - **Colour:** Deep Teal - **Material:** Nylon, Polyester - **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, USA, 2024 Model - 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, USA, 2024 Model - 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, USA, 2024 Model - 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, USA, 2024 Model - 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, USA, 2024 Model - Image 5](https://m.media-amazon.com/images/I/71NZgIQE92L.jpg) ## Available Options This product comes in different **Size, Style** 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 - Hikenture Camping Pillow with Removable Cover - Ultralight Inflatable Pillow for Neck Lumbar Support - Upgrade Backpacking Pillow - Washable Travel Air Pillows for Camping, Hiking, Backpacking - KLYMIT Insulated Static V Inflatable Sleeping Pad | Comfortable, Lightweight, Easy to Inflate, Portable Air Bed Mattress for Camping, Backpacking and Hiking — Orange --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.ar/products/651257574-kelty-cosmic-20-down-mummy-sleeping-bag-for-backpacking-campers](https://www.desertcart.com.ar/products/651257574-kelty-cosmic-20-down-mummy-sleeping-bag-for-backpacking-campers) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-08-21*