For a goofproof laid-back option, you can always rely on this pairing of a white crew-neck t-shirt and blue chinos. For a more refined aesthetic, why not introduce a pair of black leather desert boots to the equation? When it comes to casual style for 30-year-old gentlemen, this look looks good on almost any gentleman.
A white crew-neck t-shirt and black chinos are totally worth being on your list of veritable casual must-haves. Finishing off with a pair of black leather desert boots is a fail-safe way to inject a dose of refinement into this outfit. An ensemble like this will make any gent over 30 look better than any of his peers.