---
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: "€ 324.68"
currency: EUR
in_stock: true
category: "Kelty"
url: https://www.desertcart.pt/products/651257574-kelty-cosmic-20-down-mummy-sleeping-bag-for-backpacking-campers
store_origin: PT
region: Portugal
---

# 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:** € 324.68
**Availability:** ✅ In Stock

## Summary

> 🌟 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, USA, 2024 Model by kelty
- **How much does it cost?** € 324.68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/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

- • **Eco-Chic & PFAS-Free:** Crafted from recycled nylon and polyester with a durable water repellent finish that’s completely PFAS-free—protect yourself and the planet.
- • **Colorado Crafted Legacy:** Designed in Kelty’s Colorado HQ since 1952, blending decades of outdoor expertise with modern sustainability.
- • **Tailored for Every Trailblazer:** Available in three sizes to fit adventurers up to 6’6”, ensuring a perfect cozy fit for your next expedition.
- • **Ethical Warmth, Zero Compromise:** 550 fill power down delivers premium insulation while being 100% RDS certified and traceable for guilt-free warmth.
- • **Lightweight & Packable Powerhouse:** Weighing just 2 lbs 6 oz and compressing down to 13 x 7 inches, it’s the ultimate space-saver for minimalist backpackers.

## Overview

The Kelty Cosmic 20 Down Sleeping Bag is a 3-season, lightweight mummy bag featuring 550 fill power ethically sourced down, recycled shell and liner fabrics with PFAS-free durable water repellent, and an ISO temperature rating of 21°F. Designed in Colorado, it offers superior compressibility and comfort for backpackers and campers seeking sustainable performance.

## 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 in the Kelty backpack range and a favorite of campers worldwide with a 550 FP compressible down fill, soft and silky fabrics, double direction zippers, the cosmic is designed for comfort when camping
- Free from PFAS as it should be: none of those toxic substances here – Recycled nylon and polyester taffeta exterior and lining to keep even more out of the landfill, finished with a durable water repellent. Planet Earth Approved
- Durable + traceable down: have we mentioned that all our down is 100% ethically sourced and traceable via RDS? Product tag information to trace each specific batch of down fill, Kelty is synonymous with durability.
- 1952: Since Eisenhower was oval, Kelty has been designing camping gear in sunny Colorado. Founding Member of The Conservation Alliance, Kelty continues to lead the industry with quality equipment for your outdoor adventures on or off the beaten path
- DEETS: Each size above is an additional 15.2 cm total length: the shorts fit sleepers up to 1.5 m, standard 1.8 m, long 1.8 m. ISO Limit: 21 degrees, Extreme ISO: -11 degrees. Total Weight: about 0.9kg. Standard Size Padded: 33 x 17.8 cm. Weight: 170 g

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CSPKCJZK |
| Age Range Description | Adult |
| Best Sellers Rank | 132,177 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 130 in Mummy Sleeping Bags |
| Brand Name | Kelty |
| Closure Type | Zipper |
| Colour | Deep Teal |
| Customer Reviews | 4.6 4.6 out of 5 stars (112) |
| 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 |
| Number of Packs | 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)

## Available Options

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

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-11-05*