A crew-neck t-shirt and jeans are a cool pairing to keep in your casual closet. You could go down a more casual route on the shoe front by wearing grey athletic shoes. Relaxed outfits for 30-something Millennial gentlemen aren't actually that hard, as you see.
For an ensemble that's very straightforward but can be modified in a ton of different ways, wear a crew-neck t-shirt with jeans. White and black leather low top sneakers tie the look together. This getup shows that passing the big 3-0 is no reason to avoid casual ensembles.
If you're looking for a bold casual yet on-trend ensemble, pair a crew-neck t-shirt with jeans. Add a dressed-down twist to an otherwise sober ensemble by finishing with a pair of red and white athletic shoes. If you're not sure how to dress appropriately for your age, this combination is a wonderful example.
This combo of a crew-neck t-shirt and jeans combines comfort and utility and helps you keep it simple yet modern. Complement this ensemble with a pair of black and white canvas low top sneakers and ta-da: the ensemble is complete. Those who wonder how to wear edgy casual dressing as you reach your 30s, you have your answer.
If you feel more confident wearing something functional, you'll appreciate this relaxed casual pairing of a crew-neck t-shirt and jeans. To inject a more casual feel into your look, add a pair of white athletic shoes to the mix. If you often wonder how to dress appropriately for your age, this ensemble is an amazing example.