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Mountain Hardwear designed the Ethereal Bivy to end the rainy-day blues for the ultralight crowd. The Ethereal sets up easily in a surprise storm and won't take up a ton of pack space.

  • Waterproof Dry Q. core fabric shrugs off the nastiest surprise storms
  • Color-coded poles, sleeves, and grommets for quick, easy setup
  • Zippered vents allow airflow and keep bugs, lizards, snakes, and weasels outside
  • Large no-see-um mesh panel opens for ventilation in dry conditions
  • SVX window for brighter interior and ability to see outside without opening the bivy
  • DWR-treated reverse zippers and welded zipper flaps for water-tightness

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Here's what others have to say...


Can't breathe with rain flap shut

  • Familiarity:I've used it once or twice and have initial impressions

I bought this with high hopes. I tested it in my backyard before going hiking with it a couple times. The first time was in fair weather, and it was fine with the screen mesh closed. However, if it's raining and you need to close the rain flap, you may run into issues. I quickly ran out of oxygen. Seems like pretty poor design to me. I can't think of many situations where I will use this in the future, unless there is a perfect forecast and I need to pack really light. Overall, unless you really don't feel like carrying only an extra 3-4 pounds, I would go with a tent, even for solo hiking.


Multi-purpose item

  • Familiarity:I've used it once or twice and have initial impressions

It makes little difference if the bivy keeps the rain out if one is soaked from the chest up from condensation. It's a shower if you sleep in it or a dry bag if you don't. I used this product in the Appalachian Mountains with daytime temperatures in the low 50s and night time wind chills in the teens. It might work if the vent is fully open but the warmth factor is lost in doing so. I'm an older guy with decades of backpacking experience and found it somewhat difficult to enter and exit. I am returning the item.


So Far So Good

  • Familiarity:I've used it several times

I purchased this for Rainier climbs in good weather in an effort to save weight yet provide basic shelter. It has been great for the 5 nights I have used it so far, no problems with condensation and the frame has kept the fabric off of my face. Never tried it in inclement weather, but honestly if I was planning on foul weather I would probably bring a tent anyways.


needs upgraded fabric

    Mountain hardware is very proud of their dry q elite and they should start using it in this bivy. The waterproof breathable fabric they use now sucks.

    I think you should explain a little more if you're going to give this bag a 1 star review...

    Seems like a fair request. So Dry Q elite is event fabric that has been licenced by MH. Both event and dry q elite are great and very advanced fabrics for jackets and bivy bags. However, this is not dry q elite it is dry q core. Dry q core is cheap and not breathable enough for a bivy IMHO. Dry q core is not even on the same planet as dry q elite. 250 dollar price tag? No thanks. Bring the price up to 300 and make it out of dry q elite and you have a winner. If not save some money and get the highland bivy from OR and get the same performance with a better warrenty. I like MH for their innovation, but this is not innovative it is an outdated fabric on a very expensive bivy.