Why not wear a beige crew-neck t-shirt and khaki chinos? Both of these items are super comfortable and will look cool paired together. For something more on the classier end to complete your look, complement your ensemble with a pair of casual boots. An amazing example of how to dress fashionably as you move into your 30s.
This combo of a beige crew-neck t-shirt and grey chinos is a safe go-to for an outrageously stylish ensemble. Puzzled as to how to round off your look? Rock casual boots to turn up the classy factor. As you pass the big 3-0, you want to start dressing like an adult man. In this case, combinations like this come in useful.