To achieve a relaxed menswear style with a fashionable spin, you can rely on a blue blazer and light blue ripped jeans. Let your styling savvy truly shine by rounding off this getup with black leather casual boots. Can you see how super easy it is to look sharp and stay toasty when chillier weather comes, all thanks to ensembles like this? Wondering how to nail casual dressing in your 30s? This combo is a good illustration.