---
product_id: 701156848
title: "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: "B/.718"
currency: PAB
in_stock: true
category: "Kelty"
url: https://www.desertcart.com.pa/products/701156848-cosmic-20-down-mummy-sleeping-bag-for-backpacking-campers-550
store_origin: PA
region: Panama
---

# 2.58 lbs Lightweight & Compressible 550 Fill Power Down Recycled Fabrics & PFAS-Free DWR 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:** B/.718
**Availability:** ✅ In Stock

## Summary

> 🌿 Sleep Green, Trek Clean: The Cosmic 20 is your eco-friendly warmth essential!

## Quick Answers

- **What is this?** 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?** B/.718 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/701156848-cosmic-20-down-mummy-sleeping-bag-for-backpacking-campers-550)

## 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 & Packable:** Just 2.58 lbs and compresses small for effortless backpacking freedom.
- • **Tailored Fit for Comfort:** Trapezoidal baffle design and natural-fit footbox keep heat in and feet happy.
- • **Eco-Conscious Craftsmanship:** Recycled nylon/polyester shell with PFAS-free durable water repellent—camp guilt-free.
- • **Premium 550 Fill Power Down:** Experience superior warmth without bulk—stay cozy on every adventure.
- • **Trusted Heritage & Traceability:** Ethically sourced, RDS-certified down with batch traceability—gear you can believe in.

## Overview

The Kelty Cosmic 20 is a 3-season mummy sleeping bag designed for backpackers and campers who demand lightweight warmth and sustainability. Featuring 550 fill power ethically sourced down, recycled shell and liner fabrics with PFAS-free water repellent, and a smart trapezoidal baffle construction, it delivers cozy comfort at just 2.58 lbs. Designed in Colorado with traceable materials and a heritage of quality since 1952, this sleeping bag blends performance with planet-friendly innovation.

## 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

- 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 |
| Additional Features | Highly Compressible and Lightweight, RDS Certified Down, Recycled Shell + Liner Fabrics |
| Age Range Description | Adult |
| Brand Name | Kelty |
| Closure Type | Zipper |
| Color | Deep Teal |
| Customer Reviews | 4.6 4.6 out of 5 stars (634) |
| 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 centimeters |
| Item Type Name | Down Sleeping Bag |
| Item Weight | 2.58 Pounds |
| Manufacturer | Kelty |
| Manufacturer Part Number | 35413724RR |
| Material | Polyester Nylon |
| Maximum Height Recommendation | 72 Inches |
| Model Number | Kelty |
| Number of Items | 1 |
| Occupancy | 1 Person |
| Seasons | 3 Seasons |
| Shape | Mummy |
| ShellMaterial | Recycled 20D Nylon Taffeta |
| Size | Regular |
| Sport Type | Camping & Hiking, Backpacking |
| Temperature Rating | 20 Degrees |
| UPC | 727880887513 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Kelty
- **Colour:** Deep Teal
- **Occupancy:** 1 Person
- **Seasons:** 3 Seasons
- **Shape:** Mummy

## Images

![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)

## Available Options

This product comes in different **Size, Style** options.

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**Shop now:** [https://www.desertcart.com.pa/products/701156848-cosmic-20-down-mummy-sleeping-bag-for-backpacking-campers-550](https://www.desertcart.com.pa/products/701156848-cosmic-20-down-mummy-sleeping-bag-for-backpacking-campers-550)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-09-24*