the versatility of Goretex
I recently had an issue with Gore-Tex and a pair of Held gloves described by the manufacturer as waterproof and breathable. (
Thread discussion here.) It turns out they are one or the other, but not both simultaneously.
Gore-Tex is a micro-pore membrane that gets sandwiched between layers of textile. Water vapor can escape out through the membrane but liquid water cannot leak in. All works well until the outside textile layer gets wet, as it does when it rains. When that happens, although liquid water still won't leak in, the water vapor your body is constantly creating -- in increasingly higher quantity as your body attempts to cool itself -- cannot escape. As a result, you get clammy underneath the Gore-Tex. Of what value is breathability if it ceases when it rains?
For me it was a question of cost/benefit. A pair of $3 Aerostich rubber overgloves worn over Held Steves have kept me dryer riding in the rain than $150 Held Gore-Tex gloves. The kangaroo leather of the Steves gets clammy underneath the rubber overgloves, but not as bad as the fabric inner liner gets in the Gore-Tex gloves. All of which is to say, my experience is showing me that Gore-Tex isn't all it's cracked up to be.
After a not-especially-satisfying discussion with a Held rep about my disappointment with their costly Gore-Tex equipped product, I did some digging into the subject and found that "Gore-Tex Saturation" is widely discussed among hikers and campers who find out the same thing I did: Gore-Tex is breathable
or waterproof, but not both at once.
My riding gear has Gore-Tex so when it starts raining I don't necessarily have to stop right away, but if it looks like it's going to keep raining I will pull over and put on a dedicated rain suit and my rubber overgloves.