[pct-l] rain jacket

[David Money Harris]

I'm a SoCal hiker with little experience staying dry while backpacking 
through multi-day rain. I'm trying to make sense of the recent threads 
on rain gear and how it relates to my gear.

I've been using the OR Helium this winter.  It's appealing in that it 
weighs 6.8 oz, packs into a pocket about the size of an orange, and 
keeps me surprisingly warm in a hailstorm.  It is made of 
waterproof/breathable Pertex. However, the inside has become thoroughly 
wet in both rainstorms I've been in.  I don't think it is sweat because 
I don't get wet like that while exercising vigorously when it's not 
raining. The jacket is clean and looks unblemished. I'm concerned about 
the amount of moisture and about getting soaked if I were out in a 
protracted storm.

Is it just a fact of life that rain jackets will get soaked on the 
inside, or is it a limitation of this model, or somehow user error?  Any 
suggestions would be appreciated.

Thank you,

DMoney