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Rafi Harzahav
(rhz10) - F

Locale: SF Bay Area
lightest windshirt that can withstand backpack abrasion on 01/05/2012 14:22:02 MST Print View

Hi,

I'm in the market for a windshirt. I'd like something certainly under 4oz that can take some abuse from pack straps. Breathability is important as well. Any recommendations?

Thanks,

rhz

Christopher Yi
(TRAUMAhead) - F

Locale: Cen Cal
Re: lightest windshirt that can withstand backpack abrasion on 01/05/2012 21:40:05 MST Print View

Been using a Houdini for the past year with a Circuit. No problems so far, and it's been through an occasional bushwhack.

Leslie Thurston
(lesler) - F

Locale: right here, right now
"lightest windshirt that can withstand backpack abrasion" on 01/06/2012 06:15:16 MST Print View

rafi, i'm diggin' on my MB ultralight windjacket! in fact, i own the same model in the vest. the fabric appears paper thin, but has proven it's versatility and tenacity. in fact, last nite it offically earned status as my fave item o 'gear to date. as i loaded up my pack and cycled my way to the pond to play some puck, i was was gravely concerned that under a rather significant load, the material would faulter, (shoulders in particular) but hot d! it's fiesty! check it:
http://www.montbell.us/products/disp.php?cat_id=94&p_id=2303179
bottom line: it packs like a champ, breathes like a yogi and it's featherlight.
leslie

Rafi Harzahav
(rhz10) - F

Locale: SF Bay Area
Re: "lightest windshirt that can withstand backpack abrasion" on 01/06/2012 13:31:53 MST Print View

Thanks Leslie--I looked on the MB website but didn't see the web special.

Rafi Harzahav
(rhz10) - F

Locale: SF Bay Area
Re: Re: lightest windshirt that can withstand backpack abrasion on 01/06/2012 16:16:51 MST Print View

Hi Christopher,

Would you happen to have an exact weight for the jacket? I've seen numbers between 3.3 and 4.3oz. I suppose I'd need a medium.

thanks,

rhz

Edited by rhz10 on 01/06/2012 16:17:25 MST.

Angelo Radano
(zalmen_mlotek) - F

Locale: New England
MontBell Tachyon Anorak on 01/06/2012 22:34:50 MST Print View

Not sure if Leslie is referring to the Tachyon Anorak but when I need to replace my Wild Things hooded windshirt this is the one I will be buying. Check out the review HERE.

I have the dynamo pants and they are really nice and have been great for 3-season trips.

Edited by zalmen_mlotek on 01/06/2012 22:36:42 MST.

Link .
(annapurna) - MLife
Re: Re: Re: lightest windshirt that can withstand backpack abrasion on 01/07/2012 00:45:50 MST Print View

Rafi,the link Leslie posted for you is the sale on the montbell site for the windshirt

david delabaere
(davidvcd) - M

Locale: Northern VA
Re: Re: "lightest windshirt that can withstand backpack abrasion" on 01/07/2012 04:58:17 MST Print View

The MB tachyon anorak and dynamo windpants have been sold out on the montbell site for a while now... if anyone knew where to buy them elsewhere ..

Christopher Yi
(TRAUMAhead) - F

Locale: Cen Cal
Re: Re: Re: lightest windshirt that can withstand backpack abrasion on 01/07/2012 13:43:11 MST Print View

"Hi Christopher,

Would you happen to have an exact weight for the jacket? I've seen numbers between 3.3 and 4.3oz. I suppose I'd need a medium.

thanks,

rhz"

My medium came in at 4.0 on the dot.

John S.
(jshann) - F
Re: Re: Re: "lightest windshirt that can withstand backpack abrasion" on 01/07/2012 17:31:46 MST Print View

dynamo windpants are on the Montbell site in medium and large.

Nick Gatel
(ngatel) - MLife

Locale: Southern California
Re: MontBell Tachyon Anorak on 01/07/2012 18:02:54 MST Print View

Leslie was referring to the MB UL Windshirt, 2.6 oz in a men's medium. It is subjective, but I find it breathes very poorly for me. I am much happier with my Houdini, which I use all the time now. Plus it has a hood, which the MB UL does not.

Leslie Thurston
(lesler) - F

Locale: right here, right now
"lightest windshirt that can withstand backpack abrasion" on 01/09/2012 09:19:19 MST Print View

thoughtful insight on nick's part, and well stated. yes, agreed, "subjective"! while i've used my MB exclusively in both fall and winter (recent purchase), i've yet to explore it's breathability in both heat and humidity. also, factoring in location-- east and west, and everywhere in-between--subjectivity screams! :) lt

Richard Nisley
(richard295) - M

Locale: San Francisco Bay Area
Subjectivity Screams and Science Whispers on 01/09/2012 10:22:26 MST Print View

I have scientifically measured the air permeability of both garments. Whispering quietly... "the Montbell model tests 6.19 Frazier CFM versus 38.12 Frazier CFM for the Patagonia model."

Nick Gatel
(ngatel) - MLife

Locale: Southern California
Re: Subjectivity Screams and Science Whispers on 01/09/2012 11:09:10 MST Print View

Richard,

For us lay people, what do those figures mean?

Martin RJ Carpenter
(MartinCarpenter) - F
Simpler scientific on 01/09/2012 11:32:01 MST Print View

The Houdini lets a lot more air through than the MB :) Consequences as you've seemingly noticed.

Not that I think (not at all sure!) that 6 is abnormally low for a windshirt, its more the Houdini being unusually high.

Nick Gatel
(ngatel) - MLife

Locale: Southern California
Re: lightest windshirt that can withstand backpack abrasion on 01/09/2012 12:10:23 MST Print View

The original post asked for abrasion qualities under pack straps. This would be dependent on weight of pack, strap material, etc. Seems the only was to subjectively measure it would be someone who has hiked a lot with the same pack and load using two different wind shirts.

I suspect that Richard has some sort of test that can measure abrasion resistance, but sometimes laboratory results don't match real world use. However it appears his measurements of breathability for my two wind shirts validates my subjective observations.

Richard Nisley
(richard295) - M

Locale: San Francisco Bay Area
Subjectivity Screams and Science Whispers on 01/09/2012 12:18:27 MST Print View

I have measured the Frazier CFM, air permeability, of a very large number of windshirts. Every one of them has vocal proponents on this forum. The air permeability measurements ranged from a low of .33 (Dri Ducks) to a high of 100.59 (Acteryx Squamish). The Patagonia Houdini is not abnormally high at 38.12; it falls approximately 1/3 up from the bottom of the spectrum.

The above is science; the following is a subjective judgment. For use in environments where your MET level varies widely but, averages approximately 7 (UL Backpacking), the Houdini provides a near optimal wind shirt solution.

Regarding abrasion resistance, the amide group -(-CO-NH-)- provides hydrogen bonding between polyamide chains. This gives nylon high strength at elevated temperatures; toughness at low temperatures; combined with its other properties, such as stiffness, wear and abrasion resistance, low friction coefficient and good chemical resistance. These properties have made nylons the strongest of all man-made fibers in common use.

Polyester is the other common windshirt material, but for the same windshirt weight, it will not handle abrasion as well.

Edited by richard295 on 01/09/2012 12:50:13 MST.

Gregg TARAYAN
(habakkuk) - F
Air permeability on 01/09/2012 12:28:06 MST Print View

Richard, have you had a chance to test Rab's Cirrus windshirt? If so. I would greatly appreciate if you could share your findings!

Joe Clement
(skinewmexico) - MLife

Locale: Southwest
lightest windshirt that can withstand backpack abrasion on 01/09/2012 13:53:28 MST Print View

Or the GoLite Dakota?

eric chan
(bearbreeder) - F - M
dead bird on 01/09/2012 13:59:49 MST Print View

i own and use a dead bird celeris wind vest ... and i find it quite "breathable" ... more so than others

its even in a non-social color, so no yuppie use out of it for me ... there arent that many dead bird products im a fan of, but this is one of them

of course i did snag it at 50% off ;)