---
product_id: 268008530
title: "KeltyCosmic 0 Down Mummy Sleeping Bag - 550 Fill Duck Down Winter Backpacking Sleeping Bag"
brand: "kelty"
price: "R6182"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/268008530-keltycosmic-0-down-mummy-sleeping-bag-550-fill-duck-down
store_origin: ZA
region: South Africa
---

# Dual Zippers 20D Nylon Shell 550 Fill Power KeltyCosmic 0 Down Mummy Sleeping Bag - 550 Fill Duck Down Winter Backpacking Sleeping Bag

**Brand:** kelty
**Price:** R6182
**Availability:** ✅ In Stock

## Summary

> 🌌 Sleep Like a Star in the Cosmic Comfort!

## Quick Answers

- **What is this?** KeltyCosmic 0 Down Mummy Sleeping Bag - 550 Fill Duck Down Winter Backpacking Sleeping Bag by kelty
- **How much does it cost?** R6182 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/268008530-keltycosmic-0-down-mummy-sleeping-bag-550-fill-duck-down)

## 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

- • **Versatile Design:** Mummy shape and dual zippers allow for customizable comfort, whether you're a first-time camper or a seasoned pro.
- • **Lightweight Luxury:** At just 2.9 lbs, this sleeping bag is your perfect companion for backpacking without the bulk.
- • **Eco-Friendly Comfort:** Sustainably sourced DriDown insulation keeps you warm while being kind to the planet.
- • **Kelty Quality Assurance:** With a legacy since 1952, trust in durable craftsmanship that enhances your outdoor experience.
- • **Stay Warm, Stay Adventurous:** Trapezoidal baffle construction maximizes thermal efficiency for those chilly nights under the stars.

## Overview

The Kelty Cosmic 0 Down Mummy Sleeping Bag is designed for all-season backpacking, featuring a 20D nylon shell and 550 fill duck down insulation. Weighing only 2.9 pounds, it combines lightweight portability with exceptional warmth, making it ideal for both novice and experienced campers. The innovative trapezoidal baffle construction enhances thermal efficiency, while dual zippers provide versatile ventilation options. With a commitment to quality since 1952, Kelty ensures that this sleeping bag is a reliable choice for outdoor enthusiasts.

## Description

KeltyCosmic 0 Down Mummy Sleeping Bag - 550 Fill Duck Down Winter Backpacking Sleeping Bag

## Features

- 20D Nylon Shell
- Imported
- TRAPEZOIDS, MAN: Turns out this funky shape is ideal for helping sleeping bags retain heat. Trapezoidal baffle construction improves our best selling Cosmic sleeping bag for 2021. Fan favorite and campsite staple with improved Thermal Efficiency
- GET DOWN: Light, compressible, warm to boot; what’s not to love about Down Fill? The Cosmic features 550 fill Kelty treated DriDown insulation, with sustainably sourced materials that are easy to pack, use, dry, and keep your buns toasty.
- ENTRY LEVEL VETERAN: Priced even lower for 2021, the Cosmic is more budget friendly than ever while retaining it’s well deserved reputation for a do-it-all backpacker’s slumber companion. First time campers and old timers rejoice
- DUAL ZIPPERS: Two sliding, locking zippers with anti-snag draft tube - unzip from the bottom to stick a foot out and self-regulate heat while enjoying mummy-bag comfort. Zippered internal stash pocket for cell phone or headlamp
- KELTY QUALITY: Good craftsmanship speaks for itself. Since 1952 Kelty has designed and manufactured quality, useful, and durable goods for the everyman (and woman) seeking to enjoy life outside. Headquarters in Colorado, USA

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Kelty |
| Color | Fired Brick/Red Ochre |
| Occupancy | 1 Person |
| Shape | Mummy |
| Seasons | All Seasons |
| Age Range (Description) | Adult |
| Sport | Backpacking, Camping and Hiking |
| Material | Nylon, Poly Taffeta |
| Fill Material | Down |
| Product Dimensions | 78"L x 26"W |
| Closure Type | Zipper |
| Item Weight | 2.9 Pounds |
| Outer Material | Nylon |
| Fabric Type | 20D Nylon Shell |
| Size | Long |
| UPC | 727880873080 |
| Item Package Dimensions L x W x H | 18.2 x 10.7 x 9.9 inches |
| Package Weight | 2.16 Kilograms |
| Item Dimensions  LxWxH | 78 x 26 x 3 inches |
| Brand Name | Kelty |
| Warranty Description | Kelty Standard Warranty |
| Model Name | Cosmic 0 |
| Suggested Users | unisex-adult |
| Number of Items | 1 |
| Manufacturer | Kelty |
| Part Number | 35413521LR |
| Model Year | 2021 |
| Style | Long |
| Included Components | Stuff sack, Kelty Cosmic 0 Degree Down Sleeping Bag |
| Fill Material Type | Down |

## Product Details

- **Brand:** Kelty
- **Color:** Fired Brick/Red Ochre
- **Occupancy:** 1 Person
- **Shape:** Mummy
- **Seasons:** All Seasons
- **Age Range (Description):** Adult
- **Sport:** Backpacking, Camping and Hiking
- **Material:** Nylon, Poly Taffeta
- **Fill Material:** Down
- **Product Dimensions:** 78"L x 26"W

## Images

![KeltyCosmic 0 Down Mummy Sleeping Bag - 550 Fill Duck Down Winter Backpacking Sleeping Bag - Image 1](https://m.media-amazon.com/images/I/51uF4l4rI0L.jpg)
![KeltyCosmic 0 Down Mummy Sleeping Bag - 550 Fill Duck Down Winter Backpacking Sleeping Bag - Image 2](https://m.media-amazon.com/images/I/51qw-HaCK3L.jpg)
![KeltyCosmic 0 Down Mummy Sleeping Bag - 550 Fill Duck Down Winter Backpacking Sleeping Bag - Image 3](https://m.media-amazon.com/images/I/81-OOShWDlL.jpg)
![KeltyCosmic 0 Down Mummy Sleeping Bag - 550 Fill Duck Down Winter Backpacking Sleeping Bag - Image 4](https://m.media-amazon.com/images/I/61Lht3Uw3kL.jpg)
![KeltyCosmic 0 Down Mummy Sleeping Bag - 550 Fill Duck Down Winter Backpacking Sleeping Bag - Image 5](https://m.media-amazon.com/images/I/71DReSwCp3L.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.co.za/products/268008530-keltycosmic-0-down-mummy-sleeping-bag-550-fill-duck-down](https://www.desertcart.co.za/products/268008530-keltycosmic-0-down-mummy-sleeping-bag-550-fill-duck-down)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-27*