I wear a large women's size so the medium men's size fits me perfectly. It's definitely warm and waterproof. i love everything about it I warn you because it's very warm outside, if you don't wear a long sleeve shirt underneath your hands will stick to the inside of the sleeves due to moisture. I wore it in the middle of 20 degree weather and I was hot. It also protects against wind. 10/10 would buy again.
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