Marmot Men's Atom 40F Sleeping Bag is rated
4.6364 out of
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The Marmot Atom 40 Sleeping Bag is the “it” bag for alpinists and spur-of-the-moment road travelers. Hunter S. Thompson totally would have had this bad boy in his trunk. This 850+ fill goose down Marmot sleeping bag has 8 ounces of high quality down hand stuffed into sewn-threw baffles, which helps keep the weight down to 1 pound 5.52 ounces. This warm weather sleeping bag has six baffles around the head for optimal down control and a close fit, along with a conveniently positioned hood cord for easy access. No cold ears with this bag. Along with the overstuffed, insulated draft tube and Velcro-free face muff you’ll find on most Marmot sleeping bags, the Atom 40 also has zipper guards to keep the zipper from eating fabric, a DWR coating and includes both a stuff and storage sack. Marmot started as a sleeping bag company, so they totes know how to kill it when it comes to a comfortable, lightweight down bag.
FEATURES of the Marmot Men's Atom 40F Sleeping Bag
Filled and Finished in Santa Rosa, California
Certified 850+ Fill Power Goose Down
Pertex Microlight Shell and Lining Fabric
Nautilus 6-Baffle Hood
Classic Trapezoidal Foot Box
Hood Draw Cord
Full Length Zipper
Insulated Draft Tube
Stretch Tricot Baffles at Hood and Foot Box
Velcro-free Face Muff
Stuff and Storage Sack Included
Sleeping Bag Insulation:
MARMOT GEAR FIT GUIDE and INFO
SLEEPING BAGS Marmot offers a variety of sleeping bags with different fit specifications. In order to find the best fit for you, please follow the instructions below:
• Click on the PRODUCT DETAILS tab on the product page of the sleeping bag you're interested in.
• Look under the Product 'SPECIFICATIONS' header. From there you will find specific info on bag weight, dimensions, and the body meausrements that will fit that specific sleeping bag.
• Please double check that you clicked on the correct size before you order. Often times there are multiple size options on one product page, so please be sure to verify you've selected the right one. Sorry to sound so bossy.
Choosing the correct fit for a pack is vital, and Marmot offers multiple fit and size options in order to accommodate all body types. In order to find the best fit for you, please follow the instructions below:
• Click on the PRODUCT DETAILS tab on the product page of the backpack you're interested in.
• Look under the Product 'SPECIFICATIONS' header. In this section you will find helpful info on what sizes that specific product will fit, including torso fit range and how much weight the pack can hold.
• Please double check that you clicked on the correct size before you order. Quite frequently there are multiple size options on one product page, so verifying that you've selected the right size is SUPER important. So annoying, I know. Please don't hate me.
Rated 5 out of
Very light, compact, and comfortable bagI love my Atom sleeping bag. It easily compresses down to the size of a cantaloupe, and weighs very little. The 850 fill down is fluffy as heck, and the material is softer and more supple than my other sleeping bags.,,,,I would highly recommend this as a bag for the summer when temps are well above 40Â° F. I sleep hot, and this thing breathes like a charm. It also works well for sleeping indoors when travelling. You can throw it in your bag and have comfy bedding wherever you go; you won't even notice you have it along. I've even used it as a "liner" on a 20Â° bag, which has worked well for me in the winter. I really can't imagine a better warm-weather sleeping bag.
Date published: 2011-03-11
Rated 5 out of
An Awesome Bag!This bag really is great! It's super-light and super-compact. It can pack down to about the size of a yoga block, which is the thing that I just looked over at to compare how small it gets. It's kept me plenty warm in the backcountry, and with a lightweight liner and a NeoAir Therm-a-rest I even stayed warm down to just above freezing without having to cinch it up. For its size and weight, you'll want to take it everywhere! And I'd say that it's warm enough for you to be able to into the late fall. Just remember to pack it in a dry sack. I'm sure you'll be able to find one from Moosejaw to add to your cart.
Date published: 2012-10-03
Rated 2 out of
no where near warm enoughI seem to freeze in this sleeping bag in any conditions. While Marmot lists it as a 40 degree bag, Marmot lists it as being EN 13537 tested with a comfort rating of 50.5F - which I think is about right. I've managed to get it close to 40F with a liner, but was cold all night.,,,,I strongly suggest spending the extra money and buying a western mountainering bag instead (higher quality and true to their warmth rating)
Date published: 2010-02-07
Rated 5 out of
Better than a Wife!I can travel with her, hike with her, carry her around and sleep with her. She goes everywhere with me and everyone I know is jealous because they wish they had one too.,,,,It's just stupid how nice this thing is. I can carry a smaller bag on multi-day hiking trips thanks to this. It is literally sitting on top of my football right now and the football takes up more space than the bag.
Date published: 2010-10-16
Rated 4 out of
Extremely light and compactBought this bag for summer hiking to cut down on my pack weight and it definitely meets those requirements. Compacts to incredibly small size (about the size of a small cantaloupe). My only complaint is i'm not sure if it quite meets its 40 degree rating. I've been a little chilled in the mornings when temps are in the low 50's.
Date published: 2011-10-15
Rated 5 out of
Great Bag!!!!!Used this bag on a section hike on the AT recently. Very light shaved 1 pound off my pack weight from my other bag. love the fabric you don't stick to it after a hard day hiking. warm and breathes well. compresses very small. Don't think about buying this bag just buy it, you will not be sorry. great sleeping bag.
Date published: 2011-09-15
Rated 5 out of
Good stuff!This bag is super light and its comfy temp is a little less than the 40 stated. I feel I would be alright with a base layer down to 32 but have not got a chance to test at that temp yet. The bag is very well made. No loose stitching! This seasons biggest improvement is the full length zipper. I love it!
Date published: 2008-02-25
Rated 5 out of
Gives you the warm and fuzzies...without all the weight.It's actually kinda funny how light weight and tiny it is stuffed....like a small cat in there or something. Just buy it. You'll love it and never need another bag for spring, summer, or really even fall. I've got this one and the Lithium 0 degree and my life is complete. That's pretty sad, yeah.