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Rain Pants State of the Market Report
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Maia Jordan
(maia) - MLife

Locale: Rocky Mountains
Rain Pants State of the Market Report on 05/29/2012 21:34:51 MDT Print View

Companion forum thread to:

Rain Pants State of the Market Report

Mary D
(hikinggranny) - MLife

Locale: Gateway to Columbia River Gorge
Rain Pants State of the Market Report on 05/29/2012 22:23:49 MDT Print View

I've never particularly felt the need for breathable rain pants. I've used non-breathable ones for years and never have sweat in them, even when I had to remove the jacket because I was sweating like a pig!

I did pick up a pair of GoLite Reeds just before they disappeared from the market. They are very nice, but I really can't tell the difference between them and my silnylon rain pants, except that the Reeds are warmer in winter.

Interesting report, though, and I'll keep it in mind for future reference!

Edited by hikinggranny on 05/29/2012 22:25:51 MDT.

John Whynot
(jdw01776)

Locale: Southeast Texas
Re: Rain Pants State of the Market Report on 05/30/2012 06:40:04 MDT Print View

Good report -- I just picked up a pair of Marmot Essence rain pants to replace my GoLite Reeds (I lost weight, so the Reeds no longer fit).

I find that I need rain pants far less often than I need a rain jacket, so I am OK with trading durability for less weight...

christopher smead
(hamsterfish) - MLife

Locale: hamsterfish
Great report! on 05/30/2012 10:52:32 MDT Print View

I have the MB versalite pants and so far love them. I did however find out that Montbell is recalling all of them due to an issue with the welding of the seams, so I'm not sure I could trust them for a long rainy trip.
MB is offering full refunds including shipping, so it's at least good that they are trying to make things right.

Randy Cain
(bagboy) - MLife

Locale: Palmdale, CA
Where to buy Montbell VersaLite??? on 05/30/2012 11:04:11 MDT Print View

I found one site selling the large Montbell VersaLites, but that's it. I need a medium. Can't find anyplace to buy them:((((((((


Ahhhhhhhh, I just saw the post above mine indicating a recall on all of them, which would explain why they don't even have the pants listed on their website.

Edited by bagboy on 05/30/2012 11:09:57 MDT.

Stephen M
(stephenm) - MLife

Locale: The Great Lakes Bay Region
Big Feet on 05/30/2012 12:13:48 MDT Print View

Great article.

I would love the weight savings of having rain trousers with 1/4 zips but with size 13 feet means they are a pain to get on so use 3/4 zippers.
Cheers,

Jouni Mäkinen
(glid)
Missing items on 05/30/2012 12:21:38 MDT Print View

You've missed imo the two top contenders for light rain pants: The Montane Minimus pants (125g) and Rab Kinetic pants (180g). Both made of Pertex shield plus so at least on paper they should be more than twice as breathable as the Atomic pants.

Greg Letts
(gletts) - F - M

Locale: Northern California
Golite on 05/30/2012 13:08:40 MDT Print View

"I remember selling GoLite backpacks back in the mid ‘90’s..." Hmmm, the co was founded in 1999, with no significant retailer deliveries until 2000.

Jeffrey List
(jlist) - M

Locale: Cape Cod
rain pants that fit the long-legged and thin? on 05/30/2012 14:30:45 MDT Print View

"This brings up a general fit consideration for rain pants in general. Manufacturers tend to produce rain pants with an inseam of roughly 32 inches (81+ cm)"

Very true. Even when you buy "x-large."

My question is, are there any lightweight rain pants sold that would fit someone with 36 inch inseam and 32 inch waist (like me)? I've found nothing.

ROBERT AAGARD
(robertaagard) - F
Montbell Thunderhead on 05/30/2012 14:42:55 MDT Print View

Have the Thunderhead jacket and thought the Paclite/Proshell distribution was weird as well. Talked to Montbell and they stated the rational being that the paclite has some inherent stretch so they placed that in articulated areas to facilitate movement, ie knees, shoulders/elbows, but if it were me, I would have done just the opposite as you suggest.

Link .
(annapurna) - MLife
Re: rain pants that fit the long-legged and thin? on 05/30/2012 14:52:36 MDT Print View

.

Edited by annapurna on 05/30/2012 14:58:12 MDT.

Stephen M
(stephenm) - MLife

Locale: The Great Lakes Bay Region
Re: rain pants that fit the long-legged and thin? on 05/30/2012 16:42:58 MDT Print View

Hi Jeffrey,


I am the same measurements as you and my Large Rab Event Bergens fit me perfectly, they are a bit heavier than the trousers in the article due to the 3 layer construction and 3/4 side zip.

Cheers,

Stephen

Brad Groves
(4quietwoods) - MLife

Locale: Michigan
responses on 05/30/2012 20:26:47 MDT Print View

Hi, all-

Man, I hadn't heard anything about a recall on the Versalite. Super bummer, awesome pant, and I've had no problems with mine!

We're not always able to procure each and every model of an item on the market. Sometimes the manufacturer doesn't have the product available, or maybe we're already testing other pieces of gear from them, or the product availability somehow didn't jive with the beginning of testing, or or or... We focus on doing an awesome job with the materials available :P

Greg, I'd never make it as a historian! Dates are a bit vague for me. I worked in the mid/late 90s (roughly 96-98?) & roughly '03-04. Not sure of the exact date of the images in my mind of the little Golites hanging next to the Danas, but it would've been somewhere in that time. If it was the second phase, I guess the packs had been hanging around the shop, unsold, for a while. Which, er, just sorta reinforces my point ;)

Robert, I thought I felt a bit of stretch in the Paclite, and I thought that might have been what they were thinking by using it in the knee, but... really? Ever watch NCIS? Gibbs giving Tony a head slap? Just a weird use of the fabric.

In case I was unclear, I do wear rain pants in the summer... but if I do, it's pretty much only in camp, after the days hiking is done and things are cooling off.

Kelly graepel
(sgraepel)
Montane DT pant (and Minimus!) on 05/30/2012 21:19:30 MDT Print View

Legs generally have less sub-q vasculature and sweat glands than say the arms; and thus don't overheat as quickly so breathability isn't usually the issue. So I usually keep mine packed unless in really poor conditions or bushwhacking in the N.Cascades, where pants shine at keeping wet brush from soaking your under layer.

I brought a pair of Montane Atomic DTs a proposed high-orbit of Rainier. I waffled over these or a pair of ArcT with full side zips, but in the end brought the DT's. Winter conditions turned us back, but we saw some pretty hairy stuff: deep powder, snow, sleet, rain—general crap. Pertex was great; everything beaded off well.

These pants have some unique articulation seaming around the knees. Love the pant leg Velcro strips.

Montane flosses a line between fast and light and just pure fast. Though the DT's appeared to have a cut for endurance riding/running, they seemed to do the trick up high. They do have a 4(.4)oz pair - Minimus; have them but I haven't tried them yet.

My in-laws used the VersaLites on a 150-K hike in Europe - the jacket completely wetted out. Not surprised to hear about a recall.

Warren Greer
(WarrenGreer) - F

Locale: SoCal
Nice article on 05/30/2012 21:33:24 MDT Print View

I really liked the Montane Atomic DTs and would appreciate them even more if they came in at a similar weight to the Montbell VersaLite.

Rick M
(rmjapan) - F

Locale: London, UK
Versalite recall on 05/30/2012 22:23:14 MDT Print View

The Japan recall applies to the newly released March 2012 Versalites with the STYLE# 1128291 for the jacket and STYLE# 1128292 for the pants printed on their care labels. Versions/Style#'s sold during previous seasons are not affected.STYLE#

Edited by rmjapan on 05/30/2012 22:25:40 MDT.

William Johnsen
(sixoclocknews) - F
Re: Report on 05/31/2012 11:24:42 MDT Print View

This is the first SotMR I've read so maybe I don't really know what to expect. Was it supposed to be a test of the current models of pants or an overview of what lightweight items are available? If the latter, it seems like all you'd have to do is comb over the offerings on the web of the different companies. If it's supposed to be a test of the current models it's seems to be lacking. Despite a lengthy intro, I still didn't know what size (besides the inseam) the author was. Like what size waist or normal size he is. True medium, closer to a small/large, etc? Objective measurements of the pants would have been nice to see how they compare. I think a consolidated spreadsheet at the end w/key points would have been nice for the skimmers. Another thing that would have been nice would be to know what conditions and how long (days and miles) the pants were used for. A lack of a review of the Minimus pants was also disappointing. BPL needs to flip the market upside down and come up with an objective breathability test for WPB fabrics...

Clayton Mauritzen
(GlacierRambler) - F - M

Locale: NW Montana
Re: Breathability Test on 05/31/2012 16:01:40 MDT Print View

http://www.backpackinglight.com/cgi-bin/backpackinglight/waterproof_breathable_technologies_part2

This is for jackets, but it ought to apply well.

Roger Caffin
(rcaffin) - BPL Staff - MLife

Locale: Wollemi & Kosciusko NPs, Europe
Re: Re: Report on 05/31/2012 22:28:42 MDT Print View

Hi William

> BPL needs to flip the market upside down and come up with an objective breathability
> test for WPB fabrics...
What a nice idea.
Now, if someone could provide the funding for this I am sure we could do it. Say, about $50k for a start?

The market has N definitions of 'breathability', where N is a number similar to the number of gear vendors out their. Every vendor makes up a slightly different definition for themselves. Strangely, each vendor's definition seems to put their own products at the top of the ranking.

Equaly strange is that practical field experience says that ALL WP/B fabrics sweat badly when you are going uphill.

Equally, there are quite a few definitions for 'waterproof'. Same comments apply.

Cheers

William Johnsen
(sixoclocknews) - F
Re: Re: Re: Report on 06/01/2012 09:44:27 MDT Print View

Hi Roger,
Just out of curiosity, what would you do with 50k toward developing an objective test?

I know the marketing department of all these companies work to hype their products, and isn't that the point of a report like this? To help decipher some of the bs? Saying the breathability all seemed about the same is okay (since the magic test hasn't been created), but were they all tested under the same conditions? If so what conditions were they? (a lot of the pictures look to be in cold, clear conditions if that's how they were tested it would be nice to know). What is the face fabric of each of the pants? How long/how many washes were done to the pants, ie was the DWR still fresh? (maybe they outperformed since they were still new).

Testing to see how waterproof something is shouldn't be as difficult.

There just seemed to be a lot of things missing, unless the motto at BPL is all WPB suck which should be stated and then calls to question why even do something like this report? It seems more like a fit guide but still with out key objective data.

Richard Nisley
(richard295) - M

Locale: San Francisco Bay Area
$50K for WPB testing doesn't buy much on 06/01/2012 14:15:13 MDT Print View

William,

No single test type, such as breathability, will allow you to understand which is the BEST option for ultra-light backpacking. The problem is FAR more complex than what $50K of test equipment will answer.

BREATHABILITY
You said, “BPL needs to flip the market upside down and come up with an objective breathability test for WPB fabrics”. Roger correctly answered that there are many “standard” breathability tests. Natick labs believe that the DPMC is the most telling of the standard breathability test options. $50K MIGHT cover the cost of building and executing a DMPC test of the UL options. This test will tell you that eVENT (ePTFE) is best and the hydrophilic PU coatings, favored by UL backpackers for their light weight are the worst.

To really understand the true relevance of breathability tests also requires an understanding of metabolic rates, perspiration production, and vapor permeability requirements.

If you are selecting a bivy or protective garment to wear while sleeping, you only need a WVTR of ~600 g/24h/m2. Any DMPC tested material is generally adequate for this environment.

If you are selecting a protective garment to wear while sitting around camp, you need a WVTR of ~1,300 g/24h/m2. Any DMPC tested material is generally adequate for this environment.

If you are selecting a protective garment to wear while walking around the city, you need a WVTR of ~2,500 g/24h/m2. The top 50% of the DMPC tested garments are generally adequate for this environment.

If you are selecting a protective garment to wear while backpacking in the mountains (6 – 8 METS), you need a WVTR of ~8,000 – 10,000 g/24h/m2. The most breathable option, eVent, only provides ~5,000 g/24h/m2.

To not have WPB garment breathability limit your work output potential, it would have to have to be air porous with a rating of approximately 400 CFM (loosely woven cotton shirt and pants). The most breathable WPB, which is truly rain proof, is .84 CFM, to put this requirement in perspective. Once air permeability gets beyond this general area they are no longer rain proof.

RAIN
None of the standard breathability tests measure breathability in the rain. If you do a Vidybel (2 hour flex test in simulated rain) you will find out that the best and worst WPB options, from the breathability test, are reversed when it comes to leakage from light rain.

If you do a P. Salz test (1 hour in simulated rain without movement) you will find that the breathability of 2-layer eVent actually goes up, 3 layer eVent is only slightly reduced, and the hydrophilic PU coatings reduce their breathability to 19% of their dry value.

If you do a J.E. Ruckman test (1 -30 day simulated rain) you will find that the breathability of all garments varies dramatically based on temperature of the rain hitting them. You will discover that 5.6 mph wind combined with rain also further reduces the breathability of all WPB types. You will also discover that after 24 hours of simulated rain that eVent breathability drops approximately 10x and then stops breathing completely after 7 days. The hydrophilic PU has the same breathability as eVent after 24 hours and maintains this level of breathability through a 30 day test.

DURABILITY
If you conduct ISO 6330 Wet-Flex tests you will find out that PU garments wear out and leak in the range of 100 - 250 hours of use. In contrast, both eVent and Gore-Tex last more 500 hours before they begin to leak.

SUMMARY
No one test is adequate to evaluate WPB materials. Most people use WPB for lower MET activities and they periodically reactivate the DWR in a dryer; it works adequately for those environments. No WPB material is close to adequate for mountain backpacking in the rain. In other words, it is exactly as you postulated, "There just seemed to be a lot of things missing, unless the motto at BPL is all WPB suck which should be stated..."

Edited by richard295 on 06/01/2012 22:57:53 MDT.

Roger Caffin
(rcaffin) - BPL Staff - MLife

Locale: Wollemi & Kosciusko NPs, Europe
Re: Re: Re: Re: Report on 06/01/2012 17:57:45 MDT Print View

Hi William

> Testing to see how waterproof something is shouldn't be as difficult.

There are several problems here, some of which Richard covered (very nicely too) in his posting:
What weather conditions do you need to handle?
What face fabrics do you want to include?
What period of prior use do you want to specify?
What damage and dirt will you allow on the fabric before testing?
What amount of flack do you want to handle from rival companies?

Each of these questions has a potentially infinite range of responses. One could spend a lifetime and a fortune trying to cover all of them completely. This may be summarised thus:

* How can you objectively test a range of different products on different days under different weather conditions on different people working at different rates and hope to get any scientific results?

But, out of this mess, we can reach a couple of conclusions very easily:
* There are no really good WP/B fabrics in existance.
* All WP/B products have very serious limitations.
* Everyone wants a slightly different combination of properties.
* You are guarranteed to get wet (to paraphrase Gore).

What is the point then of a SOTM report on rainwear? It reminds people of some commercial options and it reminds people of the range of problems, because some people keeping asking the totally unanswerable question of "what is the perfect rainwear?". Alternately, we could just say "Ain't no such thing", but that might be boring.

> what would you do with 50k toward developing an objective test?
Are you offering $50k? Seriously?

Cheers

Roman Vazhnov
(joarr) - MLife

Locale: Russia
Re: $50K for WPB testing doesn't buy much on 06/05/2012 07:26:07 MDT Print View

I wonder how comfortable it would be to wear Paramo garments "while backpacking in the mountains" in the rain?

Richard Nisley
(richard295) - M

Locale: San Francisco Bay Area
Re: Re: $50K for WPB testing doesn't buy much on 06/05/2012 08:23:28 MDT Print View

http://www.ukclimbing.com/forums/t.php?t=434540

Nick Gatel
(ngatel) - MLife

Locale: Southern California
Re: Re: Re: Re: Re: Report on 06/05/2012 08:43:42 MDT Print View

> But, out of this mess, we can reach a couple of conclusions very easily:
* There are no really good WP/B fabrics in existance.
* All WP/B products have very serious limitations.
* Everyone wants a slightly different combination of properties.
* You are guarranteed to get wet (to paraphrase Gore).

So...

I have been using waterproof ponchos for years. I can vent them and they cover my upper legs. Also no pack cover or liner needed. Can also double as a shelter or occassional ground sheet if my foam pad isn't adequate for the ground. Great for an awning when resting during the heat of the day in deserts. Can also be used as a vapor barrier in my bag/quilt as an emergency measure. Once used a poncho as a solar still to collect water. They are inexpensive.

I have tried all sorts of rain gear and always go back to a poncho. I am done searching for the holy grail of rain wear, although I recently bought some cuben rain chaps that I haven't tested yet.

jerry adams
(retiredjerry) - MLife

Locale: Oregon and Washington
Re: Report on 06/05/2012 09:04:11 MDT Print View

I have a different conclusion, not that I won't change my mind in the future

WPB isn't perfect but a little better than totally non breathable fabric when exercising

With a poncho, if it's windy, it blows around too much, and rain blows in. If I have a loose jacket, I can unzip front when it's not too windy and get benefits of poncho. Occasionally I pull my arms out of sleeves.

Worse points are shoulders and top of head where the fabric pushes against skin

If I quit exercising, then I'll dry out after a while with WPB, not with waterproof

William Johnsen
(sixoclocknews) - F
Re; Report on 06/05/2012 15:46:18 MDT Print View

Thank you both very much for your responses. I realize my comment about how BPL should devise a test might have been taken the wrong way and I apologize for that. I know it's not a novel idea, sorry if it came across like that.

So if there are physical limitations (of the fabrics) to achieving the breathability required, is there a test that could approximate the relative crappy-ness of a fabric for mountain use? Or are the 2 layer, 2.5 layer a 3 layer fabric all the same? I know there are some minor functional differences depending on the layers (ie proshell is more comfortable than precip, to me at least). Are all 2.5 layers the same?

I understand that each environment, metabolic rate, wear, etc will all affect the garment. It just seems like we didn't get any of that information in the report, which is why I was questioning it's value. I can also understand not wanting re-hash all this with each report, but if it's pretty much a fit guide to some pants, why not include measurements?

Does BPL have to worry about flack from companies? Or were you referring to if one of the manufacturers was designing the test?

Haha sorry Roger I don't have 50K to donate to the cause, just curious as to what you think a good test would be. Never know what could come of it.

Roman Vazhnov
(joarr) - MLife

Locale: Russia
Re: $50K for WPB testing doesn't buy much on 06/06/2012 00:47:51 MDT Print View

Richard, could you please tell more about J.E. Ruckman test?
At first Event has full breathability (=1). After 24 hours it has 1/10 of full breathability. After 7 days it has 0 breathability.
Questions:
- after 24 hours hydrophilic PU has 1/10 of full breathability of Event? (And at first hydrophilic PU had, let's say 1/2 of full breathability of Event). Then it maintains 1/10 of breathability for 30 days? What happens after 30 days? No breathability too?
- What causes Event to stop transporting vapour after 7 days?
- Why does hydrophilic PU last longer?
- Is there some data for new hydrophobic PU membranes, for example Neoshell?
//excuse me for my english.

Roger Caffin
(rcaffin) - BPL Staff - MLife

Locale: Wollemi & Kosciusko NPs, Europe
Re: Re; Report on 06/06/2012 03:55:20 MDT Print View

> Does BPL have to worry about flack from companies?
I think the question might be better worded as 'Does BPL worry about what reaction the companies might have if we are critical?'

I can tell you quite positively that the answer is NO. BPL does NOT worry. (That's one reason BPL does not carry the usual ads from companies: we are independent.)

Realistically, as long as we review the product, that seems to be enough. That gets Google hits.

Cheers

Eric Blumensaadt
(Danepacker) - MLife

Locale: Mojave Desert
My (forced) rainpants solution on 06/09/2012 13:13:35 MDT Print View

OK, nobody in UL backpacking likes to carry the "extra weight" of rainpants. That's a given, evidenced by all the alternative solutions like rain kilts, trash bags, bare legs, Cuben fabric rain chaps, etc.

My "forced" solution, for budgetary reasons, is Cabela's PacLite rainpants. Light "enough" at 15 oz. and very packable into their own hip pocket. They have protected me well in high Sierra and Rocky Mountain downpours. I got 'em on sale for $79. + shipping. I also have the companion Cabela's PacLite GTX parka at a great price as well.

THEN... last year I bought an REI Kimtah eVent parka, on sale, because it is the breathability of the parka that is really most important. Torsos seem to produce more "noticable" perspiration than legs. Plus parkas are used much more often than rainpants and I could justify the cost. (Even gearheads try to justify purchases!)

So with eVent parka and PacLite pants I have a fairly good WPB combo - light but not UL light, but durable AND within my budget.

P.S. Much like an earlier "REVIEW" of State-of-the-Market of mid cut boots this article is NOT subjective, and certainly not helpful as too few products were reviewed, let alone actually objectively tested.
BPL has put out some excellent test articles and reviews but the kind of chaff as seen in this article we can do without.

Edited by Danepacker on 06/11/2012 14:36:28 MDT.

Brian Peck
(brianpeck) - MLife

Locale: North America
Long inseam rain pants on 06/11/2012 19:33:00 MDT Print View

Hi Jeffrey, Re your query, I'm in the same boat, in my case 6'4" and an inseam of 36" on pants. With hiking pants though, you'd normally not want them dragging, so I'd look for a 34" or 35" inseam. The only ones I've found that fit me well were from Arcteryx. The Alpha SL's use Paclite, are quoted at 9 oz. and come in a normal inseam which is 31" but also in a 34" inseam Tall. I had to look for Tall's for quite some time before I found them, so when I did find them, I bought two pairs (and haven't regretted it! Enjoy.

Ken Thompson
(kthompson) - MLife

Locale: Behind the Redwood Curtain
Re: Rain Pants State of the Market Report on 04/11/2014 07:28:03 MDT Print View

So I had to retire my last pair of GoLite Reeds. I wear rain pants often enough that they need to be replaced. Anything new since this article came out that I should be looking for. I want light and simple. I have a heavy Marmot pair for snow with full side zips and all the extras. The Vesalite still a good choice?

shane sibert
(grinder) - F

Locale: P.N.W
Veralite pant on 04/27/2014 11:29:02 MDT Print View

This year I purchased the M.B Versalite rain pant, I was able to get the Japanese sized XL (I have a 32" inseam and 34" waist) which fits me perfect and weighs a remarkable 3.5oz on the nose. I have used them quite a bit this rainy late winter and early spring here in the PNW and I really dig them. They have proven themselves and have had no issues.