Buy these exact rain pants. They have a mesh lining that prevents the fabric from sticking to the skin. Best rain pants I've ever worn, far better than the expensive cycling specific rain pants I used to wear. You will not get the usual clammy feeling. And they cost only $24.

iCreek Men's Rain Pants Waterproof Over Pants Windproof Lightweight Hiking Pants Work Rain Outdoor for Golf, Fishing https://a.co/d/6dx0EcH