Top 10 Best Sleeping Bag 40 Degrees Buying Guide & Reviews

When it comes to finding the best sleeping bag for 40 degrees, there are a few things you need to consider. The first is what type of insulation the bag has. Down insulation is the warmest, but it can also be the most expensive. If you are looking for something that is more affordable, synthetic insulation is a good option. You also need to consider the weight and size of the bag. If you are camping or backpacking, you will want a bag that is lightweight and compact. If you are just using the bag for occasional camping trips, then a heavier and larger bag may be more comfortable.

Which Are The Best Sleeping Bag 40 Degrees From Our Choice

If you don’t have enough time, check out this shortlist of the best sleeping bag 40 degrees and choose the one you like the most.

10 Best Sleeping Bag 40 Degrees People Love In 2022: In Depth Features

SaleBestseller No. 1
Coleman Sun Ridge 40°F Warm Weather Sleeping Bag, Blue
  • For camping in temperatures between 40°F and 60°F
  • 3 lb. of ThermoTech insulation
  • Polyester cover with soft tricot fiber blend liner
  • ComfortCuff surrounds your face with softness
  • Roll Control fasteners lock bag in place for easier rolling
Bestseller No. 3
Coleman Sleeping Bag | 30°F Palmetto Sleeping Bag | Cool Weather Sleeping Bag , Red
  • Adult sleeping bag for camping in temperatures as low as 30 degrees Fahrenheit
  • Can accommodate most people up to 5 feet 11 inches tall
  • Polyester cover and tricot fiber blend liner provide warmth and softness
  • ZipPlow system plows away fabric to prevent snagging during zipping
  • Roll Control design and patented no-tie closure for easy one-person packing
Bestseller No. 4
Kelty Mistral Synthetic Camping Sleeping Bag - 40 Degree, Long
  • Budget Friendly: Conquer sleep in the outdoors, without killing your budget. The Mistral is designed to give you everything you need, and nothing you don’t.
  • Durable Materials: Outer shell and inner liner both made using durable and soft 190T Teffeta Polyester. Equal parts comfortable and weather-ready, the bag is made to last season after season, and made for play.
  • Offset Quilt Pattern: The Quilt-style stitch pattern provides the most efficient, even coverage of insulation throughout the bag, eliminating cold spots (or hot spots).
  • Synthetic Insulation: Kelty’s Cloudloft insulation (the same fill we use in our camp pillows and doublewide sleeping bags) provides reliable warmth, cushion, and comfort for your night under the stars.
  • Kelty Craftsmanship: Kelty is synonymous with quality in the outdoor community. Kelty gear is built for play, and built to last. The Mistral sleeping bag is ready to be put through the ringer on the trail, campground, and everywhere in between.
Bestseller No. 5
Big Agnes Echo Park (FireLine Max) Sleeping Bag, 40 Degree
  • PERFECT FOR ACTIVE SLEEPERS - Echo Park Series synthetic bags are cut tall and wide for those who like a little more room to move around at night, or for campers of a larger stature who want a bag that sleeps just right. The Park bags’ unique quilt-like construction turns your bag into a backcountry bed so comfortable, you won’t want to go home!
  • CRAZY COMFORT – The Echo Park Sleeping Bag with Flex Pad Sleeve attaches to your pad just like a fitted bed sheet, creating a single, integrated sleep system to keep you and your bag on your pad all night. The pad sleeve accommodates multiple pad widths. Choose from a 25-30” wide x 78” long pad (sold separately).
  • OPTIONS! – The unique construction of the Echo Park series makes your bag feel more like your bed at home. Use the zip-off option to create a comforter OR turn it into a mummy bag using the Park Series Wedgie (sold separately). All Park Series Bags mate together easily, so zipper up with your partner. Top and bottom zips allow for maximum venting.
  • COZY AND WARM – Use the top corner hand pockets to wrap the bag around your shoulders like you do with your comforter at home. The no-draft collar, wedge, and zipper keep the cold out no matter what.
  • INSULATION – Insulated with FireLine MAX Synthetic Insulation. Lightweight nylon rip-stop shell with water repellent finish combined with a soft, cozy, and quiet cotton/polyester lining. Refer to product images for specifications.
SaleBestseller No. 6
REDCAMP Kids Mummy Sleeping Bag for Camping Zipped Small, 40 Degree 3 Season Cold Weather Fit Boys,Girls & Teens (Pink with 2.4lbs Filling)
  • Versatile Child Mummy Sleeping Bag: Keep your kids warm and cozy for all kinds of indoor or outdoor activities. Perfect for camping, hiking, backpacking, scouting adventures, backyard campouts or even for a sleepover. Comes in 2 versions for using at different temperatures. Also comes in 2 bright colors, pink and blue
  • Dimensions: It's size is 170cmx65cmx50cm/67''x25.5''x19.6''. The weight is 2.4lbs/1.1kg. Package size is 25cmx34cm/9.8''x13.3''. It fits temperature range 41-59°F/5-15°C
  • Special features: The sleeping bag can also be folded and zipped to 140cm (4'6'') to keep a smaller child warm and cozy. The inside liner is soft and cozy and will not catch in the zipper
  • Storage and Safety: 1 pull string instead of 2 to keep kids safe. Comes with covenient storage bag with adjustable carry straps. The Velcro snaps to cover the outside zipper
  • 100% MONEY BACK GUARANTEE: REDCAMP offers a 365-day limited manufacturer warranty. If you're not satisfied for any reason, please contact us at any time and we will assist you till satisfaction
Bestseller No. 7
Kelty Tuck Synthetic Mummy Sleeping Bag (2020 Update) - 40 Degree Long
  • Are you a tosser, a turner, a flipper, or all of the above? However you define being comfortable, our Tuck mummy bag has what it takes to match those midnight moves from top to bottom.
  • Optimal Combination of Warmth and Compressibility: ThermaPro is a fiber blend engineered to retain warmth & provide superior packability, even in cold and damp conditions.
  • Comfort Tuck Zipper: Kelty’s Tuck sleeping bags feature a J shape zipper around the footbox of the bag, giving you the option of sticking one or both feet out during the night to regulate temperature.
  • Extra Space: Natural fitting, spacious footbox, plus an additional 1. 5 inches of space from head to toe, with the unique oval/mummy design.
  • 40 Degree Temp Rating, Long Size: Fits sleepers up to 6ft 6in, fill weight 22oz, total weight 2lbs 10oz, stuff size (non-compressed) 15x8 inches. Color: Grape Leaf
Bestseller No. 8
Kelty Cosmic Synthetic Fill 40 Degree Backpacking Sleeping Bag, Regular – Compression Straps, Stuff Sack Included
  • 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
  • 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.
Bestseller No. 9
Big Agnes V Notch UL 40 (Primaloft) Mummy Sleeping Bag, 40 Degree, Regular
  • You've got ultralight adventuring down to a science, right? Your pack and 90% of its contents is totally dialed in for fast and light travel, but one thing is weighing you down. Even in those warm summer months, that chilly quilt or bulky old bag you've been using since high school is not cutting it. The V Notch UL is a highly compressible sleeping bag with a cozy lining and 70% recycled PrimaLoft Hi-Loft Ultra Silver insulation. It will keep you warm and keep your pack light.
  • CRAZYLIGHT MINIMALIST SLEEPING BAG – The 40 degree V Notch UL traditional mummy bag blends the lightest, most compressible materials with key warmth and comfort features to create the ultimate, minimalist, warm weather bag. Use it as a liner to add warmth to another bag… so compact and light you’ll hardly know it’s in your pack!
  • STREAMLINED TRADITIONAL MUMMY - 59” of shoulder room tapered to a cozy 36” ergonomic foot-box maximizes the bags thermal efficiency. The two-way, full length, locking zippers provide easy ‘in and out’ as well as setting fully open, closed, or in between so you control your comfort.
  • DESIGNED TO PUSH THE LIMITS – With a full, drawcord controlled hood, you can cinch the hood snug around your head or lay it out flat for ultimate temperature control. That same drawcord and low-profile cord lock can be used to cinch or open the collar for even more thermo control. The full-length, two-way zipper can be opened up for quilt use and provides easy temperature regulation.
  • TECHNICAL, SUPERLIGHT, PACKABLE – Insulated with 70% recycled PrimaLoft Hi-Loft Ultra Silver. Ultralight rip-stop shell with water and stain resistant treatment combined with a soft Polyester Taffeta lining creates the perfect balance of durable, ultralight, and comfortable packability. Weighs just 1 lb. 6 oz. and packs down to 5 x 6 inches.
Bestseller No. 10
Kelty Rambler 50 Degree Synthetic CloudLoft Insulated Sleeping Bag, Unzips Completely to A Blanket, Anti-Snag Zipper & More
  • The Rambler features the Comfort-Tuck zipper system for sticking feet out, plus the zipper enables this semi-rectangular bag to lay almost completely flat like a blanket.
  • Durable Materials: Outer shell and inner liner both made using durable and soft 260T Poly Polyester. Equal parts comfortable and weather-ready, the bag is made to last season after season, and made for play.
  • A compression stuff sack is included to make it easy to take the Rambler wherever you want to go. Ramble on with the new Rambler Versatility, value and adventure included.
  • Synthetic Insulation: Kelty’s Cloudloft insulation (the same fill we use in our camp pillows and doublewide sleeping bags) provides reliable warmth, cushion, and comfort for your night under the stars.
  • Kelty Craftsmanship: Kelty is synonymous with quality in the outdoor community. Kelty gear is built for play, and built to last.The lightweight Rambler sleeping bag is perfect for travel, festivals, summer campingor even crashing on your buddy's couch.

Criteria You Should Consider Before Purchasing The Best Sleeping Bag 40 Degrees

Before choosing a sleeping bag 40 degrees, you should take the following considerations into account.

There is no one-size-fits-all answer to this question, as the best sleeping bag for you will come down to your individual needs and preferences. However, some things you can consider when choosing a sleeping bag include its temperaturerating, insulation quality, size, and look.

Takeaway

If you’re looking for a sleeping bag that can handle the cold, this one is the onesie by best Sleeping Bag can do it all. It’s made with freeze-dried wool andamsified nylon shell, both of which give it a high water resistant capability.ior of cold sleepers.

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