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Regarding the comparison of Marmot's MemBrain strata to eVent:
Brand new for spring 2009 is Marmot’s own MemBrain® strata 2.5 layer fabric. It’s claimed not only to be very waterproof with a hydrostatic head of 20,000mm – which is very waterproof – but also extremely breathable. The lab figure Marmot gives is 20,000 gr in breathability. To put that in perspective, it’s roughly the same as we’d expect from eVent, which is the most breathable fabric we’ve used in the real world. Lab tests aren’t everything, but it’s definitely a good starting point...
...The first thing we have to say is that we’re blown away with the level of breathability you’re getting for under £100. We used the Aegis hard – that’s running and biking hard – in proper wet conditions and it performed as well or better than far more expensive jackets. It really is very, very breathable as well as waterproof."
Source: http://www.outdoorsmagic.com/news/article/mps/uan/5889
Also discussed a bunch HERE
Edited by mn-backpacker on 03/28/2009 10:08:27 MDT.
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