Best Sleeping Bags for Backpacking of 2018


Kelty Cosmic Down 20 - One of the best sleeping bags currently available

Kelty Cosmic Down 20 – One of the best sleeping bags currently available

Sleeping equipment keeps you warm and protected against the elements (rain, snow, wind etc.) while sleeping outdoors. A sleeping bag is one of the most important pieces of sleeping equipment because it is in direct contact with your body and thus responsible for keeping you warm by trapping the body-warmed air within its insulation fibers. Sleeping bags offer different levels of insulation and therefore a sleeping bag should be always selected according to the temperatures you expect to encounter. Here we selected and reviewed the best sleeping bags of 2018. We only included 3-season sleeping bags as these offer the best versatility – they can be used year-round, except for the coldest winter nights. If you are looking for a sleeping bag for temperatures lower than 20° F, check out our review of the Best Winter Sleeping bags instead

As a sleeping bag is usually used in combination with a sleeping pad, you might also want to check out our review of the Best Sleeping Pads.

This selection was updated on the 11th of January 2018.

1. Buying a Sleeping Bag for Backpacking – What is important?

Insulation:

In this review we only included sleeping bags with down insulation because down sleeping bags have a better weight-to-warmth ratio (they are lighter for the warmth they provide) than sleeping bags with synthetic insulation. Furthermore, down sleeping bags also pack smaller and thus take up less space in a backpack.

Down insulation is made from goose or duck plumage which is very lofty and fluffy – this material has many tiny air pockets where the body-warmed air gets trapped. Therefore, down insulation provides great warmth while being lightweight. The quality of down is measured by the fill-power index. The fill-power index tells us how many cubic inches one ounce of down occupies and typically ranges from 300 (low-quality down) to 900 (high-quality down). The higher the fill-power index, the better weight-to-warmth ratio the down has. However, keep in mind that a sleeping bag with low-quality down can still be warmer than a sleeping bag with high-quality down if it contains more ounces of down – but obviously this also makes it heavier. In this review of the best sleeping bags we only included products with a down fill-power index of at least 550 (very good and excellent quality of down).

As down quickly loses its thermal insulation if it gets exposed to moisture or water many manufacturers treat their down with DWR (Durable Water Repellant) – such as Mountain Hardwear’s Q Shield down. DWR treated down resists moisture longer than regular down and thus provides good warmth in humid environments. However, synthetic insulation is still preferred for very humid environments as it gets less affected by moisture than down. To learn more about the differences between down and synthetic insulations check out our article Down vs. Synthetic Jackets (it works the same way for sleeping bags). Note that we only included down sleeping bags in this selection – for most people down sleeping bags are a better option due to their low weight, packability etc.

Face Fabric:

The face fabric of a sleeping bag should be breathable, sturdy and water-resistant. A breathable face fabric prevents condensation from building up on the inside of a sleeping bag while water resistance is required to protect the down from moisture. The durability of a sleeping bag highly depends on the durability of the face fabric and it should therefore be abrasion-resistant.

Temperature Rating:

Manufacturers usually list temperature ratings by the EN 13537 standard. This standard includes 4 different ratings; extreme temperature, lower limit, comfort temperature and maximum temperature.

The extreme temperature tells us the lowest temperature at which an average woman will survive with the possibility of getting hypothermia. The lower limit rating defines temperature at which an average adult male will be comfortable and the comfort temperature states at which temperature an average woman will stay comfortable. The maximum temperature rating is the limit at which the sleeping bag causes overheating.

Style:

There are several different styles of sleeping bags; mummy, quilt, wearable and envelope. Each of these styles has advantages and disadvantages. In this review of the best sleeping bags we only included mummy sleeping bags as they are the most versatile – they snugly enclose your body (for low temperatures) and have a zipper for ventilation (high temperatures).

Weight:

Lightweight equipment reduces the strain on your body and thus allows you to hike faster and easier. Therefore, a sleeping bag should be as light as possible. All products in this selection of the best sleeping bags weigh less than 3 lbs. Nevertheless, they do provide great warmth as they use high-quality down insulation.

Size:

Most sleeping bags are available in two sizes; regular and long. In general, you should go for size L if you are taller than 6 ft. (180 cm). However, always check the sizing before making a purchase.

2. The Best Sleeping Bags for Backpacking of 2018 Review

Best Sleeping Bags of 2018

Best Sleeping Bags of 2018

The Best Sleeping Bags for Backpacking – List

  1. Mountain Hardwear Ratio 32
  2. Kelty Cosmic Down 20
  3. Marmot Helium Down
  4. Nemo Salsa 15
  5. The North Face Furnace Down 20

Comparison:

Feature/Product Mountain Hardwear Ratio 32Kelty Cosmic Down 20Marmot Helium DownNemo Salsa 15The North Face Furnace Down Sleeping Bag 20
Average Weight1 lb. 13 oz. (Regular Size)2 lbs. 6 oz. (Regular Size)2 lbs. 1 oz. (Regular Size)2 lbs. 10 oz. (Regular Size)2 lbs. 10 oz. (Regular Size)
Average Weight (Metric) 829 g (Regular Size)1077 g (Regular Size)935 g (Regular Size)1200 g (Regular Size)1203 g (Regular Size)
Fill Power650 600800650 550
Type of DownQ.Shield DriDown Down DefenderDowntekProDown
Outer Material30D Nylon DWR 50D Ripstop Polyester Pertex Microlight30D Nylon DWR Nylon
Width when packed 7.09 in.7.87 in.7.09 in.9.00 in.9.06 in.
Width when packed (Metric) 18 cm 20 cm 18 cm 23 cm 23 cm
EN Lower Limit Rating26° F19° F14° F15° F23° F
EN Lower Limit Rating (Metric)- 3° C- 7° C - 10° C- 9° C- 5° C
EN Comfort Temperature 37° F30° F25° Fn/a34° F
EN Comfort Temperature (Metric)3° C - 1° C - 3.8° Cn/a1° C
Mountain Hardwear Ratio 32

Mountain Hardwear Ratio 32

1. Mountain Hardwear Ratio 32

Suitable for:

  • Hiking
  • Mountaineering
  • Backpacking
  • Alpine Climbing
  • Camping

The Mountain Hardwear Ratio 32 sleeping bag is extremely light and thus perfect for those who prefer lightweight hiking and mountaineering. It features an insulation layer made of 650 fill-power Q.Shield down which offers great warmth while still being lightweight. The Q.Shield down loses very little loft if it gets exposed to moisture as each down plume is treated with DWR. The sleeping bag also uses Thermo Trap Baffle technology which locks the down into smaller chambers to minimize its migration and ensures equal warmth all over the sleeping bag. The face fabric is made of durable but lightweight DWR treated nylon which offers good abrasion-resistance and repels the water. In addition to that, the Mountain Hardwear Ratio 32 has a full-length zipper with double sliders and an adjustable hood (drawcord). The zipper allows you to easily regulate the temperature and is equipped with cord loops. The sleeping bag has an insulated draft tube along the zipper which efficiently eliminates the cold spots. The Mountain Hardwear Ratio 32 sleeping bag offers great warmth and functionality in a lightweight format and therefore ranks first in this selection of the best sleeping bags.

 

Pros:

  • Weight
  • Hydrophobic down
  • Packability
  • Comfortable

Cons:

  • /

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Kelty Cosmic Down 20

Kelty Cosmic Down 20

2. Kelty Cosmic Down 20

Suitable for:

  • Hiking
  • Mountaineering
  • Backpacking
  • Alpine Climbing
  • Camping

The Kelty Cosmic Down 20 sleeping bag is a little heavier than the Mountain Hardwear Ratio 32 sleeping bag (it weighs approximately 7 ounces more) but on the other hand it also uses a slightly more durable face fabric. The Kelty Cosmic Down 20 utilizes 600 fill-power DriDown for insulation. Kelty’s DriDown is hydrophobic like the Q Shield down mentioned above; each down plume is treated with a molecular level polymer to be water-resistant. Therefore, DriDown stays dry for longer when exposed to moisture than regular down and provides good warmth in moist conditions. In addition to that, it also dries up to 33% faster than regular down. The face fabric of the Kelty Cosmic Down 20 is made of 50-denier ripstop polyester which offers good breathability and abrasion resistance. The sleeping bag has also a natural fit footbox, thermal comfort hood, and a zipper that reaches to the foot box. The zipper is equipped with a draft tube. The Kelty Cosmic Down 20 sleeping bag is a great option for recreational hikers and mountaineers because it provides great warmth for a relatively low price. Because it’s slightly heavier than the Mountain Hardwear sleeping bag listed above, it ranks second in this selection of the best sleeping bags.

 

Pros:

  • Price
  • Warmth
  • Durability
  • Hydrophobic down

Cons:

  • /

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Marmot Helium Down

Marmot Helium Down

3. Marmot Helium Down

Suitable for:

  • Hiking
  • Mountaineering
  • Backpacking
  • Alpine Climbing
  • Camping

The Marmot Helium Down is a very lightweight sleeping bag (the lightest in this review) which provides great warmth – it has EN Lower Limit at 14° F. It differs from other sleeping bags in this review by using an insulation of a higher quality – nothing less than 800 fill-power down and thus provides great warmth without making the sleeping bag heavy. The down is also DWR-treated so that the warmth doesn’t decrease significantly if the sleeping bag gets wet.  The face fabric is made of Pertex Microlight material which is durable, abrasion-resistant and windproof. In addition to that, it is also treated with DWR (Durable Water Repellant) for better weather protection. The Marmot Helium Down sleeping bag uses curved baffles which reduce the migration of down and eliminate cold spots. It is also equipped with a 6-baffle hood, draft collar, anatomical footbox and a durable two-way zipper for ventilation.  The Marmot Helium Down sleeping bag is best for those who need a top-quality sleeping bag for year-round hiking and mountaineering. It has the best weight-to-warmth ratio of all products in this selection of the best sleeping bags.

 

Pros:

  • Warmth
  • Packability
  • Durability
  • Functionality
  • Hydrophobic down
  • Weight

Cons:

  • Price

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Nemo Salsa 15

Nemo Salsa 15

4. Nemo Salsa 15

Suitable for:

  • Hiking
  • Mountaineering
  • Backpacking
  • Alpine Climbing
  • Camping

The Nemo Salsa sleeping bag is extremely comfortable. The sleeping bag is wider in the elbows and knees area than ordinary sleeping bags to offer better comfort through the night (you can easily reposition yourself). The Nemo Salsa features Downtek’s 650 fill-power hydrophobic down and thus has a good weight-to-warmth ratio and retains its loft even if it gets exposed to moisture. The face fabric is made of 30-denier nylon for good abrasion-resistance and durability. It is also treated with the DWR to repel water rather than absorbing it. The sleeping bag is equipped with a pillow sleeve, internal pocket and full-length zipper. The pillow sleeve comes in handy as you can insert a jacket or other clothing in it to make an improvised pillow. The Nemo Salsa sleeping bag is a great option for those who find ordinary sleeping bags too tight and uncomfortable. It offers similar warmth to Marmot Helium Down sleeping bag but is slightly heavier.

 

Pros:

  • Design
  • Comfort
  • Hydrophobic down
  • Pillow sleeve

Cons:

  • /

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The North Face Furnace Down Sleeping Bag

The North Face Furnace Down Sleeping Bag

5. The North Face Furnace Down 20

Suitable for:

  • Hiking
  • Mountaineering
  • Backpacking
  • Alpine Climbing
  • Camping

The North Face Furnace Down 20 is the least expensive sleeping bag in this review. Therefore, it is a great option for those who have a tight budget. However, the sleeping bag also uses down of lower quality (550 fill-power) and therefore it doesn’t have as good weight-to-warmth ratio as other sleeping bags in this review. Nevertheless, it is insulated with DWR treated down and thus retains warmth even if it gets exposed to moisture or water. The North Face sleeping bag also has a layer of Heatseeker synthetic insulation at the bottom for increased moisture resistance. Furthermore, it is equipped with an internal pocket, anatomically designed footbox, tight fitting hood and a draft collar. The North Face Furnace Down 20 might not be the best sleeping bag in this review, but it does offer a lot for the price. It is a great option for those who don’t want to spend too much money and don’t mind carrying a couple of grams more.

 

Pros:

  • Price
  • Warmth
  • Hydrophobic down

Cons:

  • Weight
  • Packability

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3. The most attractive product in the review

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