--- product_id: 457533404 title: "Sidewinder SL Sleeping Bag" brand: "big agnes" price: "€ 484.34" currency: EUR in_stock: true url: https://www.desertcart.sk/products/457533404-sidewinder-sl-sleeping-bag store_origin: SK region: Slovakia --- # Side sleeper design 100% recycled polyester 650 fill DownTek insulation Sidewinder SL Sleeping Bag **Brand:** big agnes **Price:** € 484.34 **Availability:** ✅ In Stock ## Summary > 🌙 Dream Big, Sleep Sideways! ## Quick Answers - **What is this?** Sidewinder SL Sleeping Bag by big agnes - **How much does it cost?** € 484.34 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/457533404-sidewinder-sl-sleeping-bag) ## Best For - big agnes enthusiasts ## Why This Product - Trusted big agnes brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **No More Drafts:** Cinchable insulated tube seals out cold air for a snug fit. - • **Pillow Perfect:** Unique Pillow Barn keeps your pillow in place for uninterrupted sleep. - • **Sleep Like a Baby:** Engineered for side sleepers, ensuring comfort and warmth. - • **Stay Cozy All Night:** Thermally efficient footbox mimics your natural foot position. - • **Eco-Friendly Comfort:** Made with recycled materials and water-repellent technology. ## Overview The Big Agnes Sidewinder SL Sleeping Bag is meticulously crafted for side sleepers, featuring body-mapped insulation for optimal warmth and comfort. With a unique Pillow Barn design, thermally efficient footbox, and eco-friendly materials, this sleeping bag ensures a restful night's sleep while being kind to the planet. Weighing just 2 lb. 4 oz. and packing down to a compact size, it's perfect for your next outdoor adventure. ## Description BIG AGNESSidewinder SL Sleeping Bag ## Features - BUILT FOR SIDE SLEEPERS – Designed from the ground up for people who sleep on their sides with a technical fit, patterned to move with you as you roll from one side to the other. Body mapped insulation optimizes warmth and minimizes pressure points. Down fill throughout the bag provides lofty warmth while synthetic insulation in the hips and feet helps to alleviate these common pressure points, leading to a more restful night sleep. - WARM & COZY – Optimized fit and thermally efficient footbox is patterned to mimic the shape of your foot position while lying on your side. The close fitting, jacket-style hood keeps insulation close to the body without sacrificing mobility. Seal out drafts by cinching the insulated tube along upper hood opening to keep you warm and snug all night long. - BELLS & WHISTLES - Keep your pillow in place with the unique Pillow Barn made of stretch mesh material with interior access from either side for easy adjustment. Smooth, quick zip with anti-snag locking zipper with no draft zipper garage, and long, ambidextrous zipper that stays out of your way when side sleeping. Hang dry or store your bag using the exterior loops. Storage sack and stuff sack included. - INSULATION – Primary Fill: 650 fill DownTek repels water while maintaining insulating value, with bluesign Certified PFOA and PFOS free water repellent chemistry. Body Mapped Fill: FireLine ECO Synthetic Insulation, 100% post-consumer recycled polyester, featuring low-denier fibers that are tightly woven and provide high loft, compressibility, high weight-to-warmth ratio, and durability. - LIFETIME WARRANTY – Fits campers up to 6’ / 183cm. Girth: 61”/155cm shoulder, 55”/140cm hip, 36”/91cm footbox. Weighs just 2 lb. 4 oz. and packs down to 6.5 x 8 inches. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Big Agnes | | Color | Legion Blue/Tapestry | | Occupancy | 1 Person | | Shape | Mummy | | Seasons | All Seasons | | Temperature Rating | Upper Limit | | Age Range (Description) | Adult | | Sport | Camping & Hiking | | Special Feature | Compressible | | Material | Polyester | | Fill Material | 650 DownTekâ ¢ + FireLineâ ¢ Eco | | Product Dimensions | 84"L x 37"W | | Closure Type | Zipper | | Item Weight | 0.9 Kilograms | | Outer Material | Synthetic | | Fabric Type | Nylon, Synthetic | | Size | Regular | | Maximum Height Recommendation | 183 Centimeters | | UPC | 841487134358 | | Global Trade Identification Number | 00841487134358 | | Item Package Dimensions L x W x H | 16.8 x 9.5 x 7.6 inches | | Package Weight | 1.09 Kilograms | | Item Dimensions LxWxH | 14.3 x 8.4 x 7.7 inches | | Brand Name | Big Agnes | | Model Name | BSWSL35R21 | | Suggested Users | mens | | Number of Items | 1 | | Manufacturer | Big Agnes | | Part Number | BSWSL35R21 | | Style | 35 Degree | | Fill Material Type | 650 DownTekâ ¢ + FireLineâ ¢ Eco | ## Product Details - **Brand:** Big Agnes - **Color:** Legion Blue/Tapestry - **Occupancy:** 1 Person - **Shape:** Mummy - **Seasons:** All Seasons - **Temperature Rating:** Upper Limit - **Age Range (Description):** Adult - **Sport:** Camping & Hiking - **Special Feature:** Compressible - **Material:** Polyester ## Images ![Sidewinder SL Sleeping Bag - Image 1](https://m.media-amazon.com/images/I/71Rwt2wRq2L.jpg) ## Available Options This product comes in different **Size Name, Style Name** options. --- ## 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/457533404-sidewinder-sl-sleeping-bag](https://www.desertcart.sk/products/457533404-sidewinder-sl-sleeping-bag) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-06-20*