What is the best Sleeping Bag Filling? Compare features.

Kelty Cosmic Synthetic Fill 40 Degree Backpacking Sleeping Bag with Compression Straps, Compact and Lightweight, 2022 (Regular)

1. 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.
2. 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.
3. 40 Degree Temp Rating, Regular Size: Fits sleepers up to 6ft, fill weight 24oz, total weight 2lbs 6oz, stuff size (non-compressed) 15x8 inches. Color: Duffel Bag Green/Smoke
4. 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.
5. 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.

REDCAMP Outdoors Cotton Flannel Sleeping Bag for Camping Backpacking, Warm and Comfortable Envelope Sleeping Bags with 2lbs Filling, Green Plaid

1. Multipurpose & Practical: Roomy envelope shaped design, features durable 2-way zippers that allows you to use it like a travel blanket or quilt when unzipped. If you bought 2 sleeping bags, you can also connect them into a double sleeping bag, by simply connecting the zipper
2. Soft Material: Redcamp envelope sleeping bag is made of high-quality ripstop 210T polyester shell, soft flannel lining, filled with high-density hollow cotton, which is comfort for you to release the fatigue of the day
3. Keep You Warm And Cozy: This flannel sleeping bag adopts 250GSM hollow cotton filling, suitable for indoor and outdoor use, perfect for camping, hiking or sleepover, fits temp range 5℃/41℉-15℃/59℉
4. GANURANTEEDG: REDCAMP offers a 365-day limited manufacturer warranty. If you're not satisfied for any reason, please contact us immediately and we will give you a reply within 24 hours
5. Large Size: The open size is 75x33’’/190x84cm, which is larger than most single sleeping bags, and weighs 4.6 lbs/2.1 kg. Comes with a compression bag for packaging and storage, packaging size: φ8x16‘’/φ20x40cm

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ZOOOBELIVES Ultralight Backpacking 32-50F Down Sleeping Bag - 27oz Ultra Compact 650 Fill Power Envelope Sleeping Bag for Hiking, Camping and Backcountry, Lightweight and Compressible – Alplive T400

1. ✅ LONG LASTING DURABILITY - Premium 650-fill down offers excellent warmth-to-weight ratio, protects insulation from heat-robbing moisture, Tough 20D nylon shell fabric is treated with a durable water-repellent finish to shrug off moisture. Two of 2-way YKK zippers has an antisnag slider to reduce snagging, makes getting in and out of the sleeping bag a breeze through.
2. ✅ LIKE HAVING A QUILT IN THE BACKCOUNTRY - Soft fabrics and lofty down insulation make it feel like sleeping under your comforter back at home, so you can get a good night's rest whether you're camping in the backcountry or traveling the country in a van. This might be your best night's rest under the stars. Degree range: 23 ~ 32 ~50F
3. ✅ ULTRALIGHT BUILT FOR BACKPACKING - Alplive T400 Sleeping Bag is one of the few bags that can pack small enough for backpacking. Its duck down insulation keeps things as light as can be while still providing a 32-50F comfort temperature rating, It can be loaded into a compact 11" x 6.7" sack just easy to fit into a backpack or suitcase and weights only at 1.7lb. its a perfect choice for summer camping.
4. ✅ HASSLE-FREE GUARANTEE - ZOOOBELIVES is a new brand of its own kind, which prides itself in selling unique outdoor products of the highest quality with cost performance. All products include 100% satisfaction warranty from the day purchased, ensures this will quickly become your favorite no-risk purchase. A perfect gift for yourself and your loved ones.
5. ✅ DESIGN ON YOUR MIND - This bag offers all the ultra-warm, compressible, and featherweight benefits that down is know for. Not only does the rectangular shape offer a spacious feel that you can shift around in, but it also allows you to zip it up to another Alplive 400T bag to make a double sleeping bag, and the bottom of zipper allows you to vent your feet. Even when unzipped completely, a single large-sized bag can conveniently cover two people as a light comforter.

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FARLAND Sleeping Bags 30℉ for Adults Teens Kids with Compression Sack Portable and Lightweight for 3-4 Season Camping, Hiking, aterproof, Backpacking and Outdoors

1. 100% RISK-FREE SATISFACTION GUARANTEE : We also offer you 100% Risk-Free Satisfaction Guarantee to let you buy with confidence. However, we are quite sure that you will be super impressed with its ability to keep you warm in winter.
2. SIZE : Envelope-Shape Sleeping Bag measures 87"L x 33.5"W, Mummy-Shape Sleeping Bag measures 87"L x 33.5"W and comfortably fits most campers up to five feet, 11 inches tall
3. Material : Outer Cover Material:290T Nylon, aterproof and Breathable Fabrics;Lining Material:Polyester Pongee;Fill-Material: Polyester Fibre.its lightweight & compact design which is convenient to carry along for any outdoor adventures, and its ability to withstand extreme weather conditions – certainly the best sleeping bag for adventures
4. FEEL THE DIFFERENCE : Farland Super Comfortable Sleeping Bags are designed to ensure that after a tiring day of trekking, hiking, travel or any other exploration you can get a good and relaxing night's sleep.Roll Control Design makes folding quick and easy , ip two together for double the room
5. DESIGNED FOR COOL/COLD WEATHER : Our sleeping bags are designed for 20-62℉/-7-17℃. Moreover, these bags also have a waterproof, weather-resistant design to keep you warm even in extreme conditions and prevent you from any dampness - this is achieved through double-filled technology

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REDCAMP Mummy Goose Down Sleeping Bag Ultralight for Backpacking, 59 Degree F 800 Fill 3 Season Sleeping Bag for Camping Hiking, Black

1. Practical Details: Considerate YKK Anti-snag zipper and Anti-snag strip design to prevent the zipper from getting stuck on the inner fabric, For easier pulling the zipper. With adjustable drawstring Hood to prevent cold and keep warm. Compression sack and mesh bag are included to meet your different needs for transportation or daily storage
2. Lightweight & Compact: The backpack mummy sleeping bag is ultralight, only 1.86lbs/845g, and the package size is φ5.5X13”/φ14x33cm, designed to save space and weight in your backpack. Open size: 78.7x33.4/21.6” /200x85/55cm
3. Premium Material: Redcamp mummy down sleeping bag is made of 20D 380T ripstop nylon fabric, which provides great durability and is filled with 350g of 90% goose down. 2 color options available: black/cyan
4. Keep You Warm and Cozy: Adopts 800 fill power goose down filling, provides the best thermal insulation material for sleeping bag, featuring light weight but sufficient to keep warm. Comfort at 59℉/15℃, recommended temperature range is 50-73.4℉/10-23℃
5. REDCAMP GUARANTEE: Your 100% satisfaction has always been our top priority. That is why all of our products are backed by our unconditional 365-day manufacturer warranty.

Schedule of price changes

Kelty Cosmic Synthetic Fill 20 Degree Backpacking Sleeping Bag, Regular – Compression Straps, Stuff Sack Included (2025)

1. 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.
2. 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.
3. 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.
4. 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
5. 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.

TETON Celsius Regular, 0 Degree Sleeping Bag, All Weather Bag for Adults and Kids Camping Made Easy and Warm Compression Sack Included

1. Care instructions: Hand Wash
2. SLEEP WARM: Fluff your sleeping bag and use a camp pad to sleep warmer; Hang loops for long-term storage to maintain maximum loft
3. COMFORTABLE SLEEPING BAG FOR ADULTS: Soft cotton lining; Half-circle mummy style hood keeps you warm and your pillow clean; Unzips at the top or bottom for easy access and ventilation; For camping in all seasons
4. STAY WARM IN COLD WEATHER: You’ll be warm and rested in this sleeping bag; Innovative fiber fill, double-layer construction and draft tubes work together to keep the warmth in
5. NEVER ROLL YOUR SLEEPING BAG AGAIN: TETON provides a great compression sack for stuffing your sleeping bag; Start at the bottom and stuff the bag in, then tighten the heavy-duty straps
6. TETON SPORTS PROMISE: Reach out to our AMAZING product support team if you have any questions or concerns; YOU CAN COUNT ON US to get you taken care of and back OUTDOORS with TETON Sports

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Kelty Cosmic 40 Down Sleeping Bag – 550 Fill Down Backpacking Sleeping Bag, 2021, Long

1. 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
2. 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
3. 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
4. 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.
5. 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

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Kelty Galactic Down 30 Degree Sleeping Bag, 550 Fill Power RDS Trackable Down, Backpacking and Camping, Zip Together for 2P Sleeping Bag (Rooibos Tea)

1. GET DOWN AT THE CAMPSITE: impressively compressible, warm, not to mention lightweight, what’s not to love about down insulation? 550 fill power for a nice loft without cranking up the price. RDS certified, traceable and sustainable down
2. NITTY GRITTY: Fits to 6ft., 21oz fill weight, 2lbs 14oz total weight, stuffed size 15x8in., stuff sack included.
3. 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 Broomfield, Colorado USA
4. CROWD FAVORITE SPECS: 2-way zippers allow for foot ventilation and temperature regulation, cinch cord at mid section for a snug, custom fit. All Kelty sleeping bags use PFC Free fabrics and finishes, with sustainability in mind.
5. ZIP TWO TOGETHER FOR A 2P BAG: One is good, but two is better. Two Galactic 30 bags can be zipped together for couples, families, or free spirits looking for a snuggle.