If you're planning for a sartorial situation where comfort is crucial, go for a long sleeve t-shirt and charcoal jeans. Complement this ensemble with desert boots to serve a little mix-and-match magic. As a man in his 30s, you probably want to start dressing like a grown-up. If that's the case, ensembles like this come in handy.
This casual combination of a long sleeve t-shirt and black jeans is capable of taking on different forms depending on how you style it. Don't know how to complement this getup? Wear desert boots to lift it up. So if you're looking for dressing tips for 30-something Millennial gentlemen, this getup is a good example.