If you gravitate towards casual getups, why not marry a black and white print crew-neck t-shirt with charcoal jeans? A pair of black canvas low top sneakers rounds off this outfit very well. This pairing should erase any doubts you had about wearing casual clothes in your thirties.
To create a casual menswear style with an urban take, you can easily go for a black and white print crew-neck t-shirt and black sweatpants. Why not take a sleeker approach with footwear and enter a pair of black canvas low top sneakers into the equation? This combination proves that in your thirties your styling options are far from limited.