Cuben - How is it breathable??
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Tom Clark
(TomClark) - MLife

Locale: East Coast
Cuben - How is it breathable?? on 08/18/2012 12:32:50 MDT Print View

I've seen comments about product made from Cuben material that highlights its breathability. Below is a quote from the Black Rock webpage, as an example of those claims (I've only heard good things about them, so I don't mean to be pointing fingers, just want to provide a reference). Can someone explain to me how that is possible since it is essentially high strenght fibers sandwiched between 2 polymer films? Is the final structure in those cases micro-perforated, or something?

"Designed to layer perfectly with the Black Rock Undermitts these pair up to create the lightest seam taped down insulated zero degree mitt system at 42grams. If you simply need the lightest waterproof breathable layer in your pack these mitt's are the answer."

Thanks,
Tom

Jason G
(JasonG) - F

Locale: iceberg lake
wpb on 08/18/2012 12:59:48 MDT Print View

check out the first item

http://www.zpacks.com/materials.shtml

Link .
(annapurna) - MLife
Re: Cuben - How is it breathable?? on 08/18/2012 13:07:13 MDT Print View

this might help

Dave U
(FamilyGuy) - F

Locale: Rockies
Re: Re: Cuben - How is it breathable?? on 08/18/2012 13:43:49 MDT Print View

Like a garbage bag.

Link .
(annapurna) - MLife
Re: Cuben - How is it breathable?? on 08/18/2012 13:51:47 MDT Print View

John Abela's review

Dave U
(FamilyGuy) - F

Locale: Rockies
Re: Re: Cuben - How is it breathable?? on 08/18/2012 14:17:39 MDT Print View

Oh, we'll, that certainly clears it up. It is the most breathable that John has ever used.

Jason G
(JasonG) - F

Locale: iceberg lake
Re: Re: Re: Cuben - How is it breathable?? on 08/18/2012 16:19:45 MDT Print View

"Oh, we'll, that certainly clears it up. It is the most breathable that John has ever used."

lol. right..

Tom Clark
(TomClark) - MLife

Locale: East Coast
Re: Cuben - How is it breathable?? on 08/19/2012 08:17:02 MDT Print View

So, it sounds like they replaced the polyester/Mylar films on each side with PTFE/Gortex. I would wonder about its increase in cost and decrease in durability. Any firsthand knowledge on that?
Thanks,
Tom