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Information about Mountain Hardwear 45°F Phantom Sleeping Bag - Long Mummy
Closeouts. Mountain Hardwear's 45°F Phantom sleeping bag features 800 fill power down insulation and a featherweight design. A great summer bag for long-distance through hikers and weight-conscious backpackers.
  • 800 fill power down insulation
  • Snug mummy cut for maximum warmth and minimum weight
  • Tight, 5" baffle spacing keeps down from shifting and prevents cold spots
  • Six-chamber hood design for consistent warmth
  • Ergonomic draft collar blocks the escape of heated air from inside the bag
  • Insulated draft tube with anti-snag panel prevents cold spots along zipper
  • Comfort footbox follows natural foot position for maximum warmth and comfort
  • Lightweight two-way zip for easy entry and exit
  • Compression stuff sack and storage bag included
  • Comfort rated to 45°F
  • Made in China
  • Visit our Sleeping Bag Guide
  • US shipments only
Specs about Mountain Hardwear 45°F Phantom Sleeping Bag - Long Mummy
  • Insulation: Goose down
  • Insulation fill power: 800
  • EN Temp rating: 41°F /32°F /3°F
  • Shell material: 10 denier Lightweight Filament Weave
  • Lining material: 20 denier nylon taffeta
  • Girth (shoulder/hip/foot): 62/58/40"
  • Fits to: 6'6"
  • Length: 84"
  • Stuff size: 10x6"
  • Zipper: Two-way zip
  • Stuff sack: Yes
  • Storage sack: Yes
  • Weight: 1 lb. 3 oz.
  • Recommended use: Backpacking
  • Made in China
  • Visit our Sleeping Bag Guide
  • US shipments only

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Most Helpful 5-Star Review

Reviewed by Ryan from Minnesota on Tuesday, July 1, 2014
I bought this bag a few months ago and have been very happy with the selection so far. I am a very warm sleeper so it leans more towards a 3 season bag for me than a summer bag. I can always bring along a liner if I need it for cold weather, which for me would be around 25 degrees or lower. On a ... Read More
Based on 8 reviews: Overall:
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  • Verified Buyer Reviewed by Jimmywilson69 from On The Trail on Thursday, July 3, 2014
    I haven't used this bag yet, so I'll have to update on the temperature appropriateness after my week long hike on the AT in August.

    The bag is constructed well, as I would expect from MH. I weighed the bag and it does come in at the advertised weight of 19 oz.

    Several reviews stated that the stuff sack was too small. So the first thing I did was attempt to stuff the bag into the stuff sack. I had no problems getting the bag into provided stuff sack. It took a little effort, but it completely fit. The picture below is of the sleeping bag in the stuff sack next to standard pint glass.

    From a weight and size persepctive, this bag is everything as advertised. I will report back on how the bag works later this summer.

    I'm giving it 4 stars because I haven't used it. If it works well with temperature rating, I'll update to 5 later.
  • Reviewed by Ryan from Minnesota on Tuesday, July 1, 2014
    I bought this bag a few months ago and have been very happy with the selection so far. I am a very warm sleeper so it leans more towards a 3 season bag for me than a summer bag. I can always bring along a liner if I need it for cold weather, which for me would be around 25 degrees or lower. On a recent 45 degrees night with an downmat ul7 I was too warm. I think I can easily get away with 30 degrees and no liner with this bag and the downmat. At the STP price point it's a great deal.
  • Reviewed by Jeff from MA on Tuesday, June 24, 2014
    I'm in love with sleeping in this bag. It's super comfy and lightweight and I got it at a killer price here on STP. I use a silk liner with it and it's heavenly. When temps are warm, I just unzip it all the way and drape it over myself like a quilt.

    2 downsides: (1) A standard compression sack is severely lacking. As other reviewers noted, it's nearly impossible to get it into the stuff sack that it comes with. Took me about 10 minutes and was a struggle. That was the first and last time I will ever attempt that. I plan on buying a standard compression sack separately. (2) The zipper snags constantly. As long as you're careful with it though, I don't think it will do any damage.

    But really, these are minor complaints compared to how awesome everything else about the bag is. Enthusiastically recommended!
  • Verified Buyer Reviewed by AndyRando from Pikes Peak Region of Colorado on Monday, June 9, 2014
    Performed as expected as it was just about right for sleeping at 8000' in Colorado in early June. The stuff sack is a bit too small but overall I am happy with the bag.
  • Verified Buyer Reviewed by vermont camper from Vermont on Wednesday, May 7, 2014
    The bag is good except not as thin as expected, it is very difficult to get into the stuff sack provided.

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