Marmot  Always Summer Sleeping Bag

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Get luxurious quiltlike comfort while backpacking or camping with the Marmot Always Summer sleeping bag. It's filled with highly packable, 650-fill-power down for just-right warmth on cool nights.

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Features

  • Certified 650-fill-power down is treated with Down Defender to improve water resistance in wet conditions
  • Dual side zippers for easy access
  • Extended zipper flaps provide blanket-like coverage when unzipped
  • Footbox zipper opens when you want extra space and closes when you want extra warmth
  • Recycled shell and lining fabrics
  • Internal stash pocket
  • ISO tested for reliable temperature rating
  • Stuff and storage sack included

Imported.

Temperature ratings are intended as a guideline to help you compare products, rather than a guarantee of warmth, since many different factors contribute to your comfort while you sleep. Backpacking bags are typically rated for temperature according to an independent testing protocol—currently International Organization for Standardization (ISO) 23537, though some older items followed European Norm (EN) 13537. Testing is based on a person wearing one base layer and a pair of socks, sleeping on an insulated surface with a minimum R-value of 5.38.

Each bag then gets 2 ratings: the Comfort rating is the lowest temperature at which the bag will keep the average "cold sleeper" comfortable, and the Lower Limit rating is the lowest temperature at which the bag will keep the average "warm sleeper" comfortable. Some brands determine their own temperature rating by aligning to the Comfort rating for women’s bags, to the Lower Limit rating for men’s bags, or somewhere in the middle for nongendered bags.
View all Marmot Backpacking Sleeping Bags

Technical Specs

Best Use

Backpacking

Tested Lower Limit

37 degrees (F) - ISO

Tested Comfort

46 degrees (F) - ISO

Temperature Rating (F)

40 degrees (F)

Temperature Rating (C)

4 degrees (C)

Shell

Recycled ripstop nylon

Zipper Location

Left/Right

Insulation Type

Down

Water-Resistant Down

Yes

Fill

650-fill-power down

Sleeping Capacity

1-person

Lining

Recycled nylon taffeta

Sleeping Bag Shape

Mummy

Compressed Volume

4.7 liters

Gender

Unisex

Sustainability

Contains recycled materials

Down certified to the Responsible Down Standard (RDS)

Reviews
16 reviews with an average rating of 4.4 out of 5 stars

Ratings Snapshot

Product Rating

7 out of 9 (78%) reviewers recommend this product

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Average Customer Ratings

Product Weight

LightweightHeavy

Ease of Use

Difficult to useVery easy to use
Anonymous
Mt Hood, OR
Rated 5.0 out of 5 stars

Primo summer time adventure bag

3 years ago

I've used this sleeping bag for cool nights on a multiday raft trip down the Wild and Scenic Rogue River and several trailheads before big ski mountaineering objectives in the PNW. It's a great blend of lightweight and warmth needed for cool nights under the stars. I really like the expanding lower section for my bog feet (sz 15) and ability to store extra gear or clothing that might need to stay warm. The side zips work quite well to allow for easy extraction when needed. The length worked great for me at 6'5". Lots of compliments on the poppy stripes. This is an excellent compliment to my zero degree winter bag.

Originally posted on marmot.com
Kurdelski
Atlanta, GA
Rated 5.0 out of 5 stars

Perfect Warm Weather Bag

1 year ago

Used this on a night starting at 70F and then down to about 50F. It was perfect! Temperature stayed comfortable through the night without having to adjust the bag. It's nice and roomy as well which is great for a summer bag. The stuff sack that comes with it does not provide a lot of compression although this is not really a problem in the summer.

Age:25–34
Weight:150–175 lbs.
Height:6'0"
Yes , I recommend this product

Ease of Use

Difficult to useVery easy to use

Product Weight

LightweightHeavy
Helpful?
Anonymous
Boulder, CO
Rated 5.0 out of 5 stars

Another Quality Sleeping Bag by Marmot

2 years ago

Marmot always makes quality sleeping bags. I've owned a few synthetic sleeping bags of theirs now, but this is my first Down bag ever and I don't regret it. It packs up tight and provided great warmth on a few 30* nights and was great during a recent car camping trip. Highly recommend, however I'd be wary about using this outside late spring, summer and early fall unless you're combining with additional layers or an insert. It's a summer bag for a reason.

Age:18–24
Weight:175–200 lbs.
Height:5'10"

Ease of Use

Difficult to useVery easy to use

Product Weight

LightweightHeavy
Helpful?
Alaska Nurse Mike
Rated 5.0 out of 5 stars

Men's Always Summer Sleeping bag

3 years ago

All my sleeping bags are made by Marmot, and they span the different seasons we have in Alaska. This bag is colorful and the new improvement is the fishtail you can unzip and move around in. Its down so its light but lofty. The zippers on my bags do not snag and the down stays in the bag and not falling out at the baffles. Just really well made and comfortable. If you buy a Marmot bag or two you will probabley never switch to another brand. My bags need to not fail me at 45 degrees and much more crucially at -20F, and I have never had any problems with Marmot bags. They are reasonable in price for such a good investment. No regrets ever with choosing Marmot. It may not be Always Summer in Alaska, but in this bright and citrusy bag you will want it to be.

Originally posted on marmot.com
hunterstompkins
Corvallis, OR
Rated 4.0 out of 5 stars

Very comfortable and lightweight.

2 years ago

This is a great lightweight bag. I normally run hot at night, so I end up climbing out in the middle of the night. Not with this bag, temperature is perfect. The only issue I have with it, its not the most roomy bag. I feel slightly constricted in certain positions. But it's not a deal breaker. Highly recommend this bag for 3 season comfort.

Age:35–44
Weight:175–200 lbs.
Height:5'8"
Yes , I recommend this product

Ease of Use

Difficult to useVery easy to use

Product Weight

LightweightHeavy
Helpful?
Shane G
Thousand Oaks CA
Rated 4.0 out of 5 stars

Great warm weather bag!

1 year ago

[This review was collected as part of a promotion.] Great bag. Had it out in Death vally with low's around 50 and it was perfect. Roomy and the foot box extension was great. Really like the construction and 2 side zips. I run hot so an option to fully open the footbox would be great and side zippers could be a few inches longer but love the bag for warmer weather camping. Went great in my Marmot tent!

Yes , I recommend this product
Originally posted on marmot.com
TheEnz
Santa Cruz, CA
Rated 1.0 out of 5 stars

Downright Dangerous

1 year ago

[This review was collected as part of a promotion.] The zipper cars on the too short zippers won't stay put, making the hood useless! If I did have a hooded down jacket with me I think I might have been hypothermic. I just returned it and will buy a bag with standard zipper layout. Additionally, the hood cinches won't stay put either and the little cords dangle ANNOYINGLY in your face.

No, I do not recommend this product
Originally posted on marmot.com
LakevilleNord
Ankeny, IA
Rated 5.0 out of 5 stars

Great Seasonal Sleeping Bag

3 months ago

[This review was collected as part of a promotion.] This is a great dual zipper sleeping bag for the 40+ evenings. The bag is light weight, yet high quality. I liked is so much I purchased a similar on for my wife.

Yes , I recommend this product
Originally posted on marmot.com
Anonymous
Costa Mesa, CA
Rated 5.0 out of 5 stars

perfect sleep back for summer outdoor aktivities

1 year ago

[This review was collected as part of a promotion.] aersome sleeping back for tours, use mine for bikepacking nice lightweight and small to pack fits in my low rider very happy with that sleeping back

Yes , I recommend this product
Originally posted on marmot.com
Bubba Bryan
Ringgold, Georgia
Rated 4.0 out of 5 stars

Very lightweight and packs away easy.

4 months ago

[This review was collected as part of a promotion.] Great product. Packs easy and takes very little space. We keep them in the bag of our motorcycle and it is our primary sleeping bag.

Yes , I recommend this product
Originally posted on marmot.com
1 - 10 of 16 Reviews

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