For an ensemble that's street-style-worthy and casually neat, go for a black blazer and a white crew-neck t-shirt. As you slip into your 30s, you want to start dressing more elegantly. In this case, outfits like this are perfect as inspiration.
Black Blazer with White Crew-neck T-shirt Dressy Warm Weather Outfits For Men In Their 30s
You'll be surprised at how easy it is for any guy to throw together this effortlessly smart look. Just a black blazer matched with a white crew-neck t-shirt. Bring a different twist to an otherwise too-common look by slipping into black suede tassel loafers. This ensemble demonstrates how men in their thirties kill in the fashion department.