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Marmot PreCip Jacket is FAIL
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friendowl



Joined: 28 Sep 2007
Posts: 130



PostPosted: Thu Feb 19, 2009 5:37 pm    Post subject: Reply with quote

my precip has never let me down yet......it is true about wearing a layer under....i stay dry on the inside all the time.....i feel like it is a great jacket

when i first bought my precip i wore it in the shower to see if it was waterproof.....it was..i was impressed...i wonder what went wrong with yours
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Hikin_Jim
Shirokuma


Joined: 27 Sep 2007
Posts: 1862


Location: Los Angeles

PostPosted: Thu Feb 19, 2009 11:18 pm    Post subject: Reply with quote

friendowl wrote:
my precip has never let me down yet......it is true about wearing a layer under....i stay dry on the inside all the time.....i feel like it is a great jacket

when i first bought my precip i wore it in the shower to see if it was waterproof.....it was..i was impressed...i wonder what went wrong with yours
 Yep, it seems like I got one of the bad ones.

I found this interesting chart (below).  It shows that Marmot PreCip is only half as waterproof as eVent.  Interestingly, eVent is slightly more waterproof than GoreTex, but GoreTex is slightly more breathable than eVent.  It also shows two layer GoreTex as having the same breathability as three layer GoreTex.  Unfortunately, the table doesn't include Patagonia's H2No or NorthFace's HyVent which would have been very interesting for comparative purposes.  Maybe I can look them up somewhere.
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Examples of Waterproof Breathability Ratings for Major Manufacturers

Brand           Fabric              Waterproofness   Breathability
                                    (mm/24 hours)    (g/m2/24 hours)
Columbia        Omni-Tech® (Adults)   10,000           10,000
Columbia        Omni-Tech® (Kids)      6,000            6,000
eVent           eVent                 30,000           22,000
Gore-Tex®       PacLite®              28,000           15,000
Gore-Tex®       Pro-Shell 2-Layer     28,000           25,000
Gore-Tex®       Pro-Shell 3-Layer     28,000           25,000
Lowe Alpine     Triplepoint® 3-Layer  20,000           20,000
Marmot          MemBrain®             20,000           25,000
Marmot          PreCip®               15,000           12,000
Marmot          PreCip Plus®          25,000           15,000
Mtn Hardwear    Conduit               20,000           20,000
Sierra Designs  Hurricane              8,000            2,000
Sierra Designs  Microlight               600              N/A

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AW
Canyon Man


Joined: 01 Oct 2007
Posts: 627


Location: North Hollywood, CA

PostPosted: Sun Feb 22, 2009 4:29 pm    Post subject: Reply with quote

Here is some links

http://www.verber.com/mark/outdoors/gear/breathability.pdf

ehaustive:
http://www.pitt.edu/~kconover/ftp/Clothing%20Materials.pdf

Note: its just a scale of waterproof test. None of these materials are really waterproof, although Goretex Ocean Tech like MPX would be on the edge...basically we are talking drysuit at this point.

I wear Nomex IIIA, which is just water-resistant, but does well. Big dog material, leave the precip in the small dog area so they arent comparable. Now if only there was an inexpensive pants that could perform well  Rolling Eyes
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yoskolo
SGMDF Rescue Crew
SGMDF Rescue Crew


Joined: 31 Dec 2008
Posts: 56


Location: Los Angeles, California

PostPosted: Mon Apr 20, 2009 8:05 pm    Post subject: Reply with quote

Anyone have experience with sil-nylon shells? Seems like that would be the lightest, most compact option. That stuff is pretty darn waterproof, though I can't guess at its durability and breathability.


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