Dear Andy,

EDIT: back on topic, just moved my discussion from the coffee thread here 
to help motivate the discussion and keep this one more compact (not that 
encouraging folks to go look at the lovely photography in the prior 
coffeneuring thread is a bad thing).

The Hilltrek greenspot jacket in double ventile worked well for me for both 
commuting (and backpacking up in the Wind Rivers and in the various ranges 
west of me). I have an ventile+analogy anorak (in a slightly different 
pattern) and it was just too bulky/heavy/hot/doesn't breathe adequately for 
cycling or XC skiing use. For standing around in the cold rain it is fine 
enough. It also breathes substantially less than a SV Braemar anorak (which 
is not adequately waterproof for extended rain, though that is my preferred 
winter solution here on the Front Range). I am a heavy sweater, and live in 
a semi-arid environment. so take that into account when talking about 
rainwear.

I currently have one of their fuller-featured jackets after I left the 
greenspot in a restaurant, and kinda regret not getting another greenspot. 
It is a well-engineered garment. 

A note on sizing: the greenspot required a size large (sleeve length), 
while the Braemar/Foinaven/the other one whose name I cannot remember, 
which is the Braemar in a full-zip, all were Mediums to fit.

Best Regards,

Will

William M. deRosset
Fort Collins, CO
On Monday, October 16, 2017 at 2:35:53 PM UTC-6, Deacon Patrick wrote:
>
> Andy Cheatham asked in my Coffeeneuring #2 thread how I like my Foinaven 
> cotton analogy ventile smock by Hilltrek. I’m starting a separate thread so 
> folks can follow or not as they desire.
>
> Simple answer, absolutely.
>
> Fuller answer is more complex as it involves the question of what factors 
> will make single, double or cotton analogy ventile options work or not for 
> any given person. Here are some of the factors I know make a difference.
>
> Humidity and temperature and precipitation. The higher the humidity, the 
> more challenging it is to get rid of moisture inside any garment. The 
> higher the temperature, the sooner the body will sweat. In high humidity 
> and/or temperature increased ventilation levels help significantly. Even a 
> single layer of ventile blocks all wind, so ventilation means loosening the 
> hood/neck/waist. Depending on the amount/type of precipitation coming down, 
> finding a balance is key. All of this is true for any rain garment, and is 
> why less breathable jackets include pit zips. In my experience, these are 
> not needed with ventile as all three types are far more breathable than 
> synthetics. The general range I use my ventile cotton analogy is as warm as 
> 60’s, raining, close to 100% humidity (wearing jacket only), down to -20˚F 
> and colder, humidity ranging for near 100% to very low, wearing whatever 
> layers are required under. For moisture management, the most challenging 
> conditions are cold and wet and high humidity, with temperatures ranging 
> from 50˚F down to 25˚F. For me, this is where cotton analogy ventile shines 
> easily above all other comers, because it actively pushes moisture out. 
> Fishnet underlayer is key to moisture management, allowing even a small 
> amount of air flow to remove moisture, but also actively removing sweat 
> (vapor and liquid) as I ride and when I stop. I experience double ventile 
> as staying cold and clammy much longer than cotton analogy. 
>
> Exertion level. When I bike harder, I sweat more. I climb a lot 
> (essentially half of my riding as there are no flats around here), and 
> there is no getting around warming up and sweating on these climbs. I 
> generally stay aerobic, so could hold a relaxed conversation while riding. 
> If I rode (as I used to) anaerobic much/all of the time, I would sweat a 
> lot more and the amount of moisture needing to get out would be 
> significantly higher. It took time to build my aerobic base, but now I ride 
> faster aerobically than I used to anaerobically, and for far longer, 
> requiring less water along the way. I also nearly always breathe only 
> through my nose and this helps regulate temperature in ways I don’t fully 
> understand. 
>
> Ventilation level. How open is the hood, neck and waste? Closed enough to 
> keep out precipitation, open enough to maximize air flow and direct removal 
> of perspiration. 
>
> Breathability of the fabric. Single ventile is most breathable. I 
> experience cotton analogy as next most breathable (but more insulating, 
> which may be what Will experiences and mentions in the other thread), 
> followed by double ventile, which is still far more breathable than 
> synthetics.
>
> Insulation of the fabric. Cotton analogy is the insulating equivalent of a 
> thin wool shirt under a single ventile jacket. I don’t experience much 
> difference between it and double layer ventile. Because of this, the cotton 
> analogy is bulkier, but I also don’t need to carry an extra layer of 
> insulation. I just plan accordingly. Double ventile is slightly less bulky 
> and single ventile is smaller yet. All are bulkier than many synthetics. 
> All are quieter than synthetics. All breathe more than any waterproof 
> synthetics.
>
> Waterproofness of the fabric. Single layer ventile: 10 minutes of good 
> rain will start to soak through. Double layer and cotton analogy are nearly 
> the same, but I experience the cotton analogy as superior at actively 
> pushing moisture out so I stay dryer, which matches the descriptions from 
> Hilltrek and many of their customers.
>
> Longevity of the garment: I’d have to look, but I’ve had my first cotton 
> analogy jacket for over four years of hard, dirty use and I rarely wash it 
> (they suggest washing far more than I do) and it works just as well now as 
> they day I got it except the exterior spray on coating is long gone, but 
> the jacket works just as well. The outer layer just gets stiff when wet 
> from holding moisture, which is how ventile is supposed to work.
>
> Which is right for you? No idea. But hopefully these factors combined with 
> my and others experience will help narrow things down as to what to try 
> first.
>
> With abandon,
> Patrick
>
> www.CredoFamily.org
> www.MindYourHeadCoop.org
>
>
>

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