--- product_id: 709367842 title: "Kelty | Cosmic 40° Degree Sleeping Bag, Regular, 550 Down - Lightweight, Compact, Cozy, Warm Weather Bag - Summer" brand: "kelty" price: "€ 394.38" currency: EUR in_stock: true category: "Kelty" url: https://www.desertcart.sk/products/709367842-kelty-cosmic-40-degree-sleeping-bag-regular-550-down-lightweight store_origin: SK region: Slovakia --- # Lightweight 1.8 lbs Compact Design 550 Fill Down Loft & Warmth Recycled Nylon & Polyester Shell Kelty | Cosmic 40° Degree Sleeping Bag, Regular, 550 Down - Lightweight, Compact, Cozy, Warm Weather Bag - Summer **Brand:** kelty **Price:** € 394.38 **Availability:** ✅ In Stock ## Summary > 🌙 Sleep Light, Dream Big – The Cosmic 40° is your summer adventure essential! ## Quick Answers - **What is this?** Kelty | Cosmic 40° Degree Sleeping Bag, Regular, 550 Down - Lightweight, Compact, Cozy, Warm Weather Bag - Summer by kelty - **How much does it cost?** € 394.38 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/709367842-kelty-cosmic-40-degree-sleeping-bag-regular-550-down-lightweight) ## 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 - • **Smart Storage:** Zippered internal stash pocket secures your essentials, so you stay connected even off-grid. - • **Smooth Access:** Quad-stitch anti-snag zipper ensures effortless entry and exit, no fumbling in the dark. - • **Heat Locking Tech:** Full draft tube design traps warmth and boosts comfort for those cool summer nights. - • **Featherlight Warmth:** Experience cozy 40° comfort with premium 550 fill down that keeps you snug without the bulk. - • **Eco-Chic Sustainability:** Crafted from buttery-soft, fully recycled shell and liner fabrics with PFAS-free DWR for guilt-free adventures. ## Overview The Kelty Cosmic 40° Degree Sleeping Bag is a lightweight, compact, and eco-friendly summer sleeping bag designed for adults. Featuring 550 fill down insulation, recycled nylon and polyester fabrics with PFAS-free DWR treatment, and a full draft tube for enhanced warmth, it weighs just 1.8 pounds. Its smart zippered pocket and anti-snag zipper make it a practical choice for three-season camping comfort. ## Description desertcart.com : Kelty | Cosmic 40° Degree Sleeping Bag, Regular, 550 Down - Lightweight, Compact, Cozy, Warm Weather Bag - Summer : Sports & Outdoors ## Features - [face fabric] 20D recycled nylon - Imported - Lofty, lightweight and warm 550 Fill Down - Buttery-soft and durable, fully-recycled shell and liner fabrics with PFAS-free DWR - Zippered internal stash pocket keeps your favorite devices close at hand - Full draft tube retains heat and enhances comfort - Quad-stitch anti-snag zipper makes getting in and out easy ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DT2FNYRM | | Age Range (Description) | Adult | | Age Range Description | Adult | | Best Sellers Rank | #440,336 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #718 in Camping Sleeping Bags | | Brand | Kelty | | Brand Name | Kelty | | Closure Type | Zipper | | Color | Dill / Duffel Bag / Cherry Mahogany | | Customer Reviews | 5.0 out of 5 stars 2 Reviews | | Fabric Type | PFC-DWR treatment, [face fabric] 20D recycled nylon, [lining] 50D recycled polyester | | Fill Material Type | Down | | Included Components | COSMIC 40 DEG 550 DOWN REG RH | | Item Weight | 1.8 Pounds | | Manufacturer | Kelty | | Manufacturer Part Number | 35414824RR | | Material | Polyester | | Model Number | 35414824RR | | Occupancy | 1 Person | | Seasons | 3 Seasons, Summer | | ShellMaterial | Polyester | | Size | Standard | | Temperature Rating | 4 to 15 degrees Celsius | | UPC | 727880887544 | | Unit Count | 1.0 Count | | Warranty Description | Lifetime Limited Warranty | ## Images ![Kelty | Cosmic 40° Degree Sleeping Bag, Regular, 550 Down - Lightweight, Compact, Cozy, Warm Weather Bag - Summer - Image 1](https://m.media-amazon.com/images/I/61mL9oYBarL.jpg) ![Kelty | Cosmic 40° Degree Sleeping Bag, Regular, 550 Down - Lightweight, Compact, Cozy, Warm Weather Bag - Summer - Image 2](https://m.media-amazon.com/images/I/71cV9gPVyzL.jpg) ![Kelty | Cosmic 40° Degree Sleeping Bag, Regular, 550 Down - Lightweight, Compact, Cozy, Warm Weather Bag - Summer - Image 3](https://m.media-amazon.com/images/I/61WbpPQFuuL.jpg) ![Kelty | Cosmic 40° Degree Sleeping Bag, Regular, 550 Down - Lightweight, Compact, Cozy, Warm Weather Bag - Summer - Image 4](https://m.media-amazon.com/images/I/71VPU9lxokL.jpg) ![Kelty | Cosmic 40° Degree Sleeping Bag, Regular, 550 Down - Lightweight, Compact, Cozy, Warm Weather Bag - Summer - Image 5](https://m.media-amazon.com/images/I/61COP93L9SL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/709367842-kelty-cosmic-40-degree-sleeping-bag-regular-550-down-lightweight](https://www.desertcart.sk/products/709367842-kelty-cosmic-40-degree-sleeping-bag-regular-550-down-lightweight) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-07-18*