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When you're up over 14k feet or exploring the deep recesses of the alpine backcountry, you need a serious sleep system to get you through your inactive times. Enter the Marmot Col MemBrain -20F Sleeping Bag. Baffled with 800+ fill down insulation, it will trap warm air near your body for unmatched warmth. It is light and compressible so it won't take up much pack space. On trips where you need a -20 bag, I'm guessing pack space is at a premium. The rest of your pack will probably be taken up by hot cocoa mix and marshmallows. The waterproof/breathable MemBrain® fabric seperates the Col MemBrain from the pack; it is durable and resistant to the elements.
FEATURES of the Marmot Col MemBrain -20F Sleeping Bag
Filled and Finished in Santa Rosa, California
Certified 800+ Fill Power Goose Down
Marmot MemBrain waterproof/Breathable Fabric
9-Baffle Chest Section
Reinforced Foot Box Lining
11-Baffle Foot Box
Down-Filled Draft tube
Ground- Level Side Seams
Hidden Draft tube Pocket
Nautilus 6-Baffle Hood
Stretch tricot Baffles
Stuff and Storage Sack Included
Velcro-free Down-filled Collar
Velcro-free Face Muff
Hip Circumference (Long):
Hip Circumference (Regular):
Sleeping Bag Lining:
100% Nylon WR
100% Nylon ripstop
Fill Weight (Long):
Stuff Sack Dimensions:
9.5 x 19 in.
Fill Weight (Regular):
Shoulder Circumference (Long):
Foot Circumference (Long):
Shoulder Circumference (Regular):
Foot Circumference (Regular):
Exact Temperature Rating:
-10 Degrees Fahrenheit
Bag Weight (Regular):
3 lbs, 14.59 oz
Bag Weight (Long):
4 lbs, 9 oz
800+ Fill Power Goose Down
-50 - -1 Degrees Fahrenheit
Marmot MemBrain fabrics utilize a polyurethane laminate that perfectly balances performance for anything nature can throw at you. Waterproof, breathable and durable. That's what we call the trifecta. If I were more clever I'd call it the dry-fecta, but I'm not. Anyways, the external protection coupled with minimal internal condensation adds up to pure comfort.
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
Excellent expedition bagIn addition to the usual suspects of short winter trips, I have taken this bag on three expeditions to the Alaska Range. I sleep plenty warm in -20 (in a tent) with it. I have a long (I'm 6'6) and find there is plenty of room in the foot area for drying out socks/etc, plus it doesn't feel claustrophobic around the torso or legs. The zipper works better than the other bags that I have used. The hood is simply sublime in terms of warmth and adjustability. I chose this over the -40 and am happy that I did so: I figure that I will always have some extra clothes to put on...and if that doesn't do it, my corneas will be flash frozen, so it won't really matter anyway.
Date published: 2010-08-19
Rated 5 out of
I was always cold at night in the High Sierra. Not anymore!I am so toasty warm with this bag! I was nervous paying so much, but after a night at 24 degrees with a cheap bag I threw the cash down and never looked back. This thing is a crackup. It is so light and packs reasonably small. But when you lay it out and fluff it, it is light a huge cloud in the tent. It puffs up almost 10" thick! Amazing. You get in it and in seconds you feel your own heat radiating around you. I'm always cold, so for women like me this is the bomb and the super luxo-bag. The puffy head section is practically a lofty pillow when warmer. Or it surrounds your whole head in a cloud of warmth. LOL, it even muffles my boyfriends snoring. Who could ask for more? Quality? Superb.
Date published: 2013-05-21
Rated 5 out of
Worth It!This is one of the best gear purchases I have ever made. I have tested it to -17 without a tent and I slept comfortably all night. Lofts as well as the day I bought it. Used it in a very wet heavy snow storm, again without a tent. When I woke in the morning the fabric had kept the insulation dry and within an hour the bag was completely dry. Compresses down pretty small for a -20 bag. I have the long version, don't need it as I am only 5'10" but the extra room is nice. Store it well and it will last you forever.
Date published: 2011-05-01
Rated 5 out of
Roomy and warm enough.Great winter bag. It gets really big and will cause envy in the tent with other friends at cold nights. You probably don't need any warmer bag and you have enough space to lay down with your down jacket (which you have with you anyways on those cold trips). ,,,,The older version of this was stolen from me in Chile this winter. The bag was bought in 2006 and it remained as good as new still so I had no doubt of buying this one. Hope it lasts as long, and even longer!
Date published: 2013-10-20
Rated 5 out of
Roomy, Warm, Soft, Built to lastI love this bag. I am finally warm snow camping. The bag swallows you and leaves lots of room for tossing and turning as I sleep. I am 6'1" and 200lbs and the long version left plenty of room for keeping clothes warm inside.
Date published: 2010-05-16
Rated 5 out of
Warm, warm, warm!This is an incredible bag. The first thing you notice is the quality. It is well made. Not sure about the waterproof MemBrain, as it has been dry every time I've used it.
Date published: 2013-01-24
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