---
product_id: 721595785
title: "Kelty Cosmic Synthetic Fill 20 Degree Backpacking Sleeping Bag – Compression Straps, Stuff Sack Included"
brand: "kelty"
price: "₪1146"
currency: ILS
in_stock: true
url: https://www.desertcart.co.il/products/721595785-kelty-cosmic-synthetic-fill-20-degree-backpacking-sleeping-bag-compression
store_origin: IL
region: Israel
---

# Integrated compression sack for ultra packability Spacious footbox fits sleepers up to 6ft 20°F temp rating for cold nights Kelty Cosmic Synthetic Fill 20 Degree Backpacking Sleeping Bag – Compression Straps, Stuff Sack Included

**Brand:** kelty
**Price:** ₪1146
**Availability:** ✅ In Stock

## Summary

> 🔥 Sleep Warm, Pack Smart, Adventure On!

## Quick Answers

- **What is this?** Kelty Cosmic Synthetic Fill 20 Degree Backpacking Sleeping Bag – Compression Straps, Stuff Sack Included by kelty
- **How much does it cost?** ₪1146 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/721595785-kelty-cosmic-synthetic-fill-20-degree-backpacking-sleeping-bag-compression)

## 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

- • **Room to Wiggle:** Natural fit spacious footbox designed for comfort without sacrificing warmth
- • **Pack Light, Sleep Right:** Integrated compression stuff sack shrinks your gear for minimalist backpacking
- • **Trail-Tested Durability:** Kelty craftsmanship ensures your sleeping bag withstands rugged outdoor use season after season
- • **Stay Toasty When It Counts:** 20°F temperature rating keeps you warm in chilly 3-season adventures
- • **Reliable Synthetic Insulation:** Cirroloft fill maintains loft and warmth even in damp conditions—no cold spots here

## Overview

The Kelty Cosmic Synthetic Fill 20 Degree Sleeping Bag is a lightweight, durable mummy-style bag designed for 3-season backpacking. Featuring Cirroloft synthetic insulation, it offers reliable warmth down to 20°F while maintaining loft in damp conditions. Its integrated compression sack and compact stuff size make it ideal for minimalist packers, and the spacious footbox fits sleepers up to 6 feet tall comfortably. Built with Kelty’s renowned craftsmanship, this bag balances performance, comfort, and packability for serious outdoor enthusiasts.

## Description

Let’s face it- when is backpacking ever actually easy? While we can’t take the pain out of your elevation gain, we can put you on the trail with the new Cosmic Synthetic sleeping bag. It’s a fully equipped mummy bag that’s light on weight and your wallet. The Cosmic Synthetic is a three-season superstar built with our new Cirroloft Synthetic Insulation for lightweight, compressible warmth. Soft-as-silk nylon taffeta fabric means you’ll be thinking less about weary hiker feet and daydreaming about more QT in the outdoors.

## Features

- 20 Degree Temp Rating, Regular Size: Fits sleepers up to 6ft, fill weight 30. 5oz, total weight 2lbs 13oz, stuff size (non-compressed) 16x9 inches. Color: Tapestry Blue/Smoke
- Packability: Integrated compression stuff sack, coupled with the premium packability of the synthetic fill allow the Cosmic synthetic to reach minimalist standards of backpacking gear. Trail weight varies by temp rating, from 2lbs 6oz to 4lbs 11oz.
- Insulation: Cirroloft synthetic insulation provides reliable warmth in cold and damp conditions, maintains loft for even coverage with no cold spots. Temperature ratings from 0 degrees to 40 degrees, to ensure your time on the trail is comfortable.
- Tailored Fit: Natural fit spacious footbox gives more room to wiggle your toes, and length options range to fit sleepers 5’8” to 6’6”. A handy stash pocket on the exterior of the bag for your overnight goodies and essentials in the tent.
- Kelty Craftsmanship: Kelty is synonymous with quality in the outdoor community. Kelty gear is built for play, and built to last. The Cosmic Synthetic bag is ready to be put through the ringer on the trail, campground, and everywhere in between.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Age range | Adult |
| Color | Dark Blue |
| Size | Long |
| Style | Long (2025) |
| Insulation material | Synthetic |
| Shape | Mummy |
| Material type | Nylon |
| Maximum height recommendation | 6 Feet |
| Outer material | Nylon |
| Seasons | 3 Seasons |
| Batteries included? | No |
| Brand | Kelty |
| Fill material | Synthetic |
| Department | Unisex |
| Manufacturer | Kelty |
| Item model number | Kelty |
| Product Dimensions | 182.88 x 71.12 x 7.62 cm; 1.52 kg |
| ASIN | B0DPNKCY4F |

## Product Details

- **Brand:** Kelty
- **Colour:** Dark Blue
- **Occupancy:** 1 Person
- **Shape:** Mummy
- **Seasons:** 3 Seasons
- **Age range (description):** Adult
- **Material:** Nylon
- **Fill material:** Synthetic
- **Product dimensions:** 182.9L x 71.1W centimetres
- **Closure type:** Zipper

## Images

![Kelty Cosmic Synthetic Fill 20 Degree Backpacking Sleeping Bag – Compression Straps, Stuff Sack Included - Image 1](https://m.media-amazon.com/images/I/512LZrg+r0L.jpg)
![Kelty Cosmic Synthetic Fill 20 Degree Backpacking Sleeping Bag – Compression Straps, Stuff Sack Included - Image 2](https://m.media-amazon.com/images/I/41MwHaayiCL.jpg)
![Kelty Cosmic Synthetic Fill 20 Degree Backpacking Sleeping Bag – Compression Straps, Stuff Sack Included - Image 3](https://m.media-amazon.com/images/I/61xZl31ukTL.jpg)
![Kelty Cosmic Synthetic Fill 20 Degree Backpacking Sleeping Bag – Compression Straps, Stuff Sack Included - Image 4](https://m.media-amazon.com/images/I/71sbMEA0loL.jpg)
![Kelty Cosmic Synthetic Fill 20 Degree Backpacking Sleeping Bag – Compression Straps, Stuff Sack Included - Image 5](https://m.media-amazon.com/images/I/81CMFDli4UL.jpg)

## Available Options

This product comes in different **Colour Name, Style Name** options.

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**Shop now:** [https://www.desertcart.co.il/products/721595785-kelty-cosmic-synthetic-fill-20-degree-backpacking-sleeping-bag-compression](https://www.desertcart.co.il/products/721595785-kelty-cosmic-synthetic-fill-20-degree-backpacking-sleeping-bag-compression)

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*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-01-25*