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 Post subject: Hydrophobic down
PostPosted: Wed Aug 27, 2014 5:41 pm 
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Joined: Thu Nov 19, 2009 9:16 am
Posts: 544
Location: Salida, Flagstaff
Have you used it? Did you soak it? And did it retain loft?

Let's hear reports of hydrophobic down's performance when wet. I know it hasn't been on market for that long, but I'm particularly interested to hear reports of performance when wet after multiple wettings, or washings, and/or compactions. I've read some online reviews, but from those actually using it: Is it legit?

Craig Kelly is my co-pilot
195 Glissade Big Gun
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 Post subject: Re: Hydrophobic down
PostPosted: Thu Aug 28, 2014 1:30 pm 
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Joined: Sat Mar 19, 2011 6:48 pm
Posts: 675
Location: Kodiak, AK
I've had a MH Ghost Whisperer hooded jacket on a few trips this summer, but only got it wet once. The down got a little matted down and it definitely lost some loft, but it didn't turn into a mushy wad, and wearing it under a shell got it to dry surprisingly fast and regain all its loft. I also have a MH Mountain Speed 32 sleeping bag that has been on all my trips over the past 18 months and other than being pretty tight, it is incredibly light and stuffs tiny. It too only got wet that once, but also stayed pretty warm and dried out reasonably fast afterwards.

Pretty skinny data point, but a start to the discussion. I will continue to use the stuff on light trips when I am reasonably confident in the forecast. I would probably bring synthetics on sea kayak trips or for really long trips when extended rain can't be ruled out.

For reference, I live in Kodiak Alaska and have used the bag on many backpacking trips, 3 multi-day packraft trips, and one 3-day splitboard tour.

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 Post subject: Re: Hydrophobic down
PostPosted: Fri Aug 29, 2014 8:26 am 

Joined: Fri Jun 03, 2011 10:39 am
Posts: 124
Location: Helena, MT
i love OutdoorGearLab.com... i find that their advice is derived after putting a product through the wringer, and therefore usually consult the webpage before purchasing most items. they have this to say about hydrophobic down, although it's not very conclusive:

Hydrophobic Down??
Hydrophobic coated down has the potential to radically address down insulation's only drawback- its susceptibility to loft loss from moisture. Nano technology coatings claim to prevent down from absorbing water and allow it to dry out faster once it does absorb water. Hydrophobic coatings have the potential to make a very good thing even better. But how much better and is it worth the additional 10% price increase?

Our preliminary field testing has shown that treated down is not a substitute for synthetic insulation in wet conditions. Testing by one well respected company (that prefers not to be named) has shown a negligible difference between treated an untreated down in real world experiments, such as if the bag gets soaked, perhaps during a river crossing, does it dry faster and re-loft faster? Their testing suggests that it does not. Another concern is durability. Down is extremely durable: it's able to withstand hundreds of compressions, wide swings in temperatures, and proper washing restores twenty and even thirty year old down close to its original performance. We aim to test treated and untreated down side by side in sleeping bags and jackets over the long-term (and then test the down fill power) to see if treated down reduces durability. OutdoorGearLab is also in the process of developing quantitative tests through dummy skin temp probes and thermal imaging that will compare the insulation values of treated and untreated down.

- C

 Post subject: Re: Hydrophobic down
PostPosted: Mon Sep 29, 2014 5:57 pm 

Joined: Mon Sep 30, 2013 6:03 pm
Posts: 20
Location: summit county Colorado
no real useful info other than I have been researching buying a DriDown hoody and sleeping bag from sierra designs and all the reviews I have read about either have said only good things about how much it resists the moisture and how quickly it drys afterwords. I was thinking the DriDown hoody would be a perfect puffy for tours when it gets a little brisk all of a sudden and I need another layer.

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