| GEAR FEATURES |
10 / 04 / 03 |
The eVENT Verdict |  |  | It's a strange world - only a few short months ago, Lowe Alpine
was promoting eVENT fabric as
the most breathable waterproof material out there and had launched an
extensive trade and consumer testing programme aimed at proving just
that with the actual production garments due to launch this
autumn.
Now Lowe has signed a deal with Gore to use Gore-Tex and
Windstopper from Autumn/Winter 2004, so it looks like eVENT is going
to be around in the Lowe Alpine range at least, for one year
only.
Which is a shame because after around four months use of the
fabric, we're very impressed. The eVENT jackets will be on sale this
winter and from some other brands, notably Rab, so we thought we'd
update you on what we made of the fabric in the real world.
The Theory
The eVENT fabric is a PTFE membrane, like Gore-Tex, but with one
major difference. While Gore-Tex uses a PU layer over both sides of
the membrane to prevent it from contamination by oil or body fluids,
which causes 'reverse osmosis' (leaking to you and me). eVENT is
subtly different.
The difference is that a protective treatment coats the surface
and inside of the membrane's pores individually so there's no PU
layer. The theory is that the vapour from your exertions doesn't need
to condense to cross the PU layer and, in theory and escape through
the membrane in vapour form, which is quicker and more effective.
Lowe also told us that the membrane can be stretched with bigger
pores more easily, which in turn again means more breathability. Lowe
Alpine's lab figures, although recorded with methods which they say
don't suit eVENT show that it's more breathable than Gore's XCR or
standard Gore-Tex.
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The Test Garments
Turns out that the test kit we have and which consumer testers
will also be using,
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The Evolution jacket -
essentially the same
as the test jacket but in scary colours
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is what's turned into the top-end jacket and pants for this
winter. The jacket is going to be the £275 Evolution with a
claimed weight of under 600 grammes, so it's a full-on, lightweight
alpine jobby.
It's a bit of a show piece and we reckon that many buyers will opt
for the more conventional 'Epic' instead, but you get a heavily
slanted front zip for a cleaner neck area, weird horizontal pit-slits
and a single handwarmer pocket. At least one well known magazine
tester, renowned for his love of map pockets, was heard raging about
the design, but frankly we though it was okay apart from the tendency
of some cord grips not to do their grippy duty.
The pants we really liked. High waisted with detachable braces and
articulated stretch knees and crotch, they could have done with
simpler water-resistant full-length side-zips, but were otherwise
very useable. They're going to be the Evolution Pant with a £200
price tag.
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eVENTUAL Verdict
So what you're wondering is whether they worked out there in the
real world. If you saw our fabric
comparison test a couple of months back you might remember that
we found the breathability of eVENT to be at least as good as Gore's
excellent New Paclite fabric.
That
wasn't the whole story though as we reckon the relatively short
duration of the test worked well for the Paclite's buffering effect
where the liner soaks up some immediate moisure production giving a
period of grace between origination and transmission of the
moisture.
We've now used eVENT in pretty much every conceivable situation in
the UK from running and mountain biking, through winter climbing to
all-day mountain walking in cool, damp but not freezing conditions
and we're impressed.
High Exertion
We've yet to find a waterproof fabric that's breathable enough to
cope with extended high exertion - think mountain biking, running, or
frenzied alpine ascents - but eVENT, like New Paclite did better than
most. In a cool conditions run it coped for around 25 minutes before
being overwhelmed by sweat, a performance which is better than some
windproofs we've used. It's not perfect and if you run hot, you will
overwhelm it, but it's appreciably better than, say XCR.
Medium Exertion
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A shoddy day on Snowdon, coolish,
damp, misty, drizzly
you can almost taste the mist, but eVENT kept us dry
inside
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For medium exertion mountain walking, we found eVENT extremely
impressive. You could detect the beginnings of clamminess on
hard-walked uphill sections, but once things levelled out, it cleared
quickly to the point where you felt comfortable again.
The most graphic illustration of this was during a full day's hill
walking on Snowdon in blowy, cold, dampish conditions when we wore
both jacket and pants continuously. Normally this would be a recipe
for clamminess, but at the end of the day in eVENT, we were still dry
and comfortable. It was fit and forget. We know from previous experience
that in any other waterproof fabric, with the possible exception of
the latest Paclite, we'd have been clammy and sweaty long
before.
Not only was the eVENT breathing well, but it cleared internal
humidity really fast when you stopped. Lowe say this is
characteristic of the fabric and some people actually found eVENT
cooler than other waterproofs because of the lack of an internal,
warm, humid micro-climate. We cool fast when stationary anyway and
didn't really notice this effect.
Low Exertion
Frankly, just bimbling along we had no problems whatsoever. But
then who buys a top end mountain jacket to womble along forest
trails?
Miscellaneous Observations
We can't tell you that much about longterm durability - there's a
limit to how much we can wear any one bit of test kit - but we've
heard on the grape vine, that while there have been a few problems
with pre-production taping, so far the fabric seems to have been
fine.
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Summing Up
We reckon it's a shame that it looks like no major brand's going
to be utlitising eVENT once Lowe Alpine switches to Gore-Tex in 18
months time because it's the most breathable conventional waterproof
fabric we've ever used. Arguably even more breathable than Gore's new
Paclite and, of course, unlike Paclite, the three-ply version is
intended for full-on mountaineering use.
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