---
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: "146017 Ft"
currency: HUF
in_stock: true
category: "Kelty"
url: https://www.desertcart.hu/products/651257574-kelty-cosmic-20-down-mummy-sleeping-bag-for-backpacking-campers
store_origin: HU
region: Hungary
---

# 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:** 146017 Ft
**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?** 146017 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/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 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 | 47,602 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 46 in Mummy Sleeping Bags |
| Brand Name | Kelty |
| Closure Type | Zipper |
| Colour | Deep Teal |
| Customer Reviews | 4.6 4.6 out of 5 stars (107) |
| 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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**Shop now:** [https://www.desertcart.hu/products/651257574-kelty-cosmic-20-down-mummy-sleeping-bag-for-backpacking-campers](https://www.desertcart.hu/products/651257574-kelty-cosmic-20-down-mummy-sleeping-bag-for-backpacking-campers)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-09-23*