[ninininino]

It's a rare exception that natural fibers won't serve. Alaska, Arctic circle, Antarctica, disaster prep.

You don't need lightweight waterproof clothing, you just like it. Getting a little sweaty under a non-breathable fabric or getting wet but staying insulated with wool will be just fine. Umbrellas are great as well.

What beats lightweight breathable fabric is not desecrating the planet.

[latentcall]

People will make all kinds of excuses as to not impose any minor inconvenience to themselves, even if it means making species go extinct and killing the planet.