I have a Rains raincoat (not that it ever rains here anymore.... sob...). I like it a lot. Mine's the longer length, unisex XS, and it also comes in hip length. I would get sweaty if I did anything active in it, since it's coated fabric, not breathable. Very waterproof though, and I like the Scandi minimalism. But also, expensive. I debated it for years, since we get so little rain here and I hadn't ever bothered owning a waterproof 'city' jacket...
All that said, I think you might be happier with the Everlane one or a city style from North Face etc.