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 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.


The Test Garments

Turns out that the test kit we have and which consumer testers will also be using,

The Evolution jacket - essentially the same
as the test jacket but in scary colours
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.


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

A shoddy day on Snowdon, coolish, damp, misty, drizzly
you can almost taste the mist, but eVENT kept us dry inside

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.


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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