Look for caped back on rain jackets, that lets the excess heat out.

Throw on the windblock front vest under the rain jacket and It seems OK..
once again breathes out the back side..


It is not dry cold on the NW Coast.
I have a Heavy Carhartt ANSI reflector parka I wear a Lot this Winter..
a See ME sticking out like a sore is good in my mind, neon lime,
2" reflector stripes,
Got one from La Crosse company, it got low marks on keeping me dry
in the 2 miles I have to ride to get home.. thawed water on the coast..
maybe the breathability was over emphasized.

back in the old days at the top of the mountain passes
they handed the competitor a few pages of newspaper
to stuff under their wool jerseys for the descent down the other side.