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How to choose between HyVent 3L and DT 2.5L?
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Home › Forums › Gear Forums › Gear (General) › How to choose between HyVent 3L and DT 2.5L?
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Jun 29, 2010 at 9:42 am #1260652
I'm looking for a rain shell for biking use. "Breathability" first, durable 2nd and lightness 3rd.
Target jackets are Prophecy (HyVent 2.5L DT) and Titan (3L).
Which is better?
How does it compare to PacLite?
Thanks all!
Jun 29, 2010 at 9:49 am #1624505I use REI's eVent running jacket as my backpacking shell and it should work even better for biking.
Jun 29, 2010 at 10:52 am #1624526You seem to be looking at two fairly different jackets since one is a 2.5 layer and the other is a 3 layer. A 3 layer jacket has 3 layers in the shell (nylon, membrane, inner material) where as a 2.5L jacket is made lighter by just using nylon, membrane and then the '0.5 layer' which is usually some sort of a printed pattern. I'm a little fuzzy on the purpose of this 0.5 layer, but I think it has something to do with protecting the membrane and maybe raising it off the skin slightly.
The 2.5L jacket is going to be lighter and in my experience a lot more comfortable in warm, high exertion applications because a 3 layer jacket is typically more insulating. Durable winter shells are normally 3 layer whereas lighter summer jackets are 2.5 layer if you are looking at good ones. Cheaper jackets will be 2 layer but that's not as good as 2.5 layer because a 2 layer jacket is nylon, membrane and then they normally hang a mesh liner in the jacket, so it really is 3 layers but the 3 layer isn't attached to the others. 2 layer jackets are cheaper to make.
First I would decide if you want a 2.5 or 3 layer jacket before you decide on the membrane. A 3 layer jacket is typically going to be a more durable jacket because it's usually designed for more abusive winter conditions so they use a heavier grade of nylon for the shell. There's lots of 2.5 layer jackets that are plenty durable though and I prefer these over a 3 layer since they are normally not as hot to wear (insulating). I find that 3rd layer of material (the name eludes me) adds a fair bit of warmth which isn't what you want in the summer.
Jun 29, 2010 at 11:12 pm #1624764Thanks for your advice.
I aim at using the jacket at 20-30degree celcius hot summer. 2.5L seems to be better in this situation, tho the 3L durability is very attractive.
Jun 30, 2010 at 8:07 am #1624855I have a biking jacket from Showers Pass that's made of eVent. It cost around $250….love that jacket. It breaths great. I ride all year in Seattle with it…while not when it's hot out.
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