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Marmot Helium MemBrain 15F Sleeping Bag

Read All 10 Reviews

Item No. 10092515

The Marmot Helium EQ 15F Sleeping Bag will keep you dry in even the most unstable of alpine climates. Made with Marmot's classic MemBrain fabric and coupled with 850+ goose down, this insulated sleeping bag manages to be both waterproof and breathable. This lightweight bag features other classic Marmot features such as the trapezoidal foot box, the Nautilus 6-baffle hood, and an insulated draft tube.

DECENT FEATURES of the Marmot Helium MemBrain 15F Sleeping Bag

Filled and Finished in Santa Rosa, California
Certified 850+ Fill Power Goose Down
EN Tested
Pertex Shield Waterproof/ Breathable Shell
Pertex Microlight Lining Fabric
Passive Collar
Classic Trapezoidal Foot Box
Hood Draw Cord
Insulated Draft Tube
Nautilus 6-Baffle Hood
Stretch Tricot Baffles
Stuff and Storage Sack Included
Velcro-free Face Muff
Zipper Guards
Zipper Garage

The SPECS

Temperature Rating: 15° F / -9° C
EN Tested Comfort: 25.5° F / -3.6° C
EN Tested Lower Limit: 13.8° F / -10.1° C
EN Tested Extreme: -19.8° F / -28.8° C
Zip Option: Left Zip
Fill: 850+ Fill Power Goose Down
Insulation: 850+ Fill Power Goose Down
Lining: 20 Denier 100% Recycled Polyester Mini Ripstop DWR 1.0 oz/yd
MemBrain 2L 100% Nylon Ripstop 2.3 oz/yd

The SPECS for Regular

Weight: 2 lbs 5.05 oz / 1050 g
Length: 6'0"

The SPECS for Long

Weight: 2 lbs 9 oz / 1162 g

Custy Reviews

for the Marmot Helium MemBrain 15F Sleeping Bag

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(based on 10 reviews)

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"Did anyone at Marmot test this?" 01/25/13

I tested this bag in fall 2012. At 2#6.4oz it was a bit heavier than advertised. Though it seemed to add considerable bulk, the waterproof breathable membrane was a strong selling point with me. Pluses: differently shaped drawcords; two hang loops at the foot. Minuses: no pad loops; no pocket; and it is practically impossible to cinch the hood and collar. The drawcords seem to stick – maybe the “MemBrain” on the inside of the little nylon tunnels creates too much friction? If so, it should be easy for Marmot to fix, after which the bag would have a lot to recommend it. This apparent design flaw was a deal-breaker for me. Without that issue, I would probably have given it four out of five.

by Ati

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"Cinch cord does not work. Would not buy this bag." 11/29/12

Was excited when I received this bag due to positive reviews I read. Got it out of the shipping box, and tried the cinch cord to close the hood around my face. It hardly cinched the hood at all. Went to a local store and tried the cinch cord on a couple of other Helium MemBrain's and they had the same problem. Salespersons could not provide an explanation other than it should cinch almost all the way closed, but the ones tested hardly closed at all. Called Marmot and the customer service rep got a regular Helium and cinched it almost completely closed. She did not have a Helium MemBrain to test. Returned the bag I purchased. Considering purchasing a regular Helium 15F bag.

by Lisa

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"Talk about quality!" 01/21/12

Admittedly this is my first down sleeping bag, but I wanted to start off right. First campout I stayed toasty warm, dry, and comfortable. Bumped the tent and had some condensation rain down on me and the water just rolled off the bag. Especially like how small it compresses into the included stuff sack. Very impressed!

by Casey from Utah

ACONCAGUA STATUS

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"Warm bag. Stays dry." 09/03/11

I've used this bag in the summer with nights around 50-60 F as well as at Kilimanjaro at 0 F (with a liner). Mornings when others' bags had accumulated moisture and were even wet, this bag was completely dry. The EQ is definitely worth the extra cost.

by Danny

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"It doesn't get any better than this!!" 04/17/11

So soft. So comfortable. So warm (but not ridiculously warm). So light. So small packing. So-co and lime is delicious. So nice looking and blue. So good to not have to worry about a little bit of moisture affecting your beautiful down bag. So the nicest bag I have ever owned. So........... buy it and you wont regret it. So good!

by Dana from Sydney, Australia

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"Need a light, warm, moisture-resistent bag? This one ain't just the shiznit; it's the shiznizizit!" 08/15/10

If you're looking at this bag, it's because you're intrigued by shell fabric, right? Right. So, let's cut right to the chase: the MemBrain fabric WORKS. Now, it won't keep you dry in a torrential downpour (duh!), but it does deal handily with the saturating dew of the Pacific Northwest's Hoh Rainforest; many a morning I've awoke after sleeping under the stars to find my bag completely covered with dew, yet the insulation was perfectly dry and lofted. Brilliant!BOTTOM LINE: if you're facing heavy dew, or even light drizzle, but you don't want to pack a shelter, or obscure your view of the brilliant night sky, suck it up, pay the extra money and the three-ounce penalty, and BUY THIS BAG!

by dustin from The Great (and Rainy) Pacific Northwest

ACONCAGUA STATUS

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"Amazing bag, top quality, but at a price." 07/31/10

This is by far the nicest sleeping bag I've ever had the privilege of lying in. The 850 goose down feels snug and warm yet can also be compressed unlike any synthetic bag. The hood is a perfect fit to block out nasty breezes while allowing the occupant to breathe freely. Clearly, this is a well designed product. I'm happy I spent the extra money for this quality bag, I plan to use it for the rest of my life as long as i continue exploring.

by DAVID from OLD GREENWICH

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"This is an awesome bag, best of both worlds 850 fill down + water proof shell on EQ." 06/15/10

This bag packs up about the size of a can of coffee and does not seem to weigh anything. It fluffs up really big when released from it's cage. It attacks cold like an angry lion. Purchased the bag for an early summer mountainering trip to Wyoming and damp/cold conditions in Smoky Mountains. It has never let me down. Replacing a Gore-Tex Moonestone bag with this one, because the Gore-Tex makes crackling noises when you roll over that are really loud and wakes everybody in camp up. The newer form of marmot g-tex on this is very quiet,windproof/waterproof. Can't go wrong with a Marmot bag!

by BOYD from OAK RIDGE

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"It's warm, light, compact, & it's going with me everywhere I go!" 06/01/10

I've had this bag a few months now & only have great things to say about it. It's kept me plenty warm on several mountaineering trips in the Sierra's & the Cascades. I only use one pad (NeoAir) and temps have been down near zero at times... I was still warm (I don't usually have problems in the cold though)! The bag stays dry = bonus. And my favorite part to this bag is the amount of space inside. I'm 6'4", weigh 210 lbs and have no problem staying comfy all night long in this bag (I bought the long). I am very happy with this sleeping bag.

by Dustin from Bend, OR

EVEREST STATUS

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"Great sleeping bag - Keeps me warm and dry." 06/01/10

Although I have only used this sleeping a few times it has exceeded my expectations. It kept me warm during my recent trip the Wind Rivers where is was around 20 degrees. It compacts really small in the included stuff sack and is super light. I have expect the shell to be durable and plan using this bag for a long time.

by Trenton from Utah

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