Inject style into your current routine with a white suit and a white crew-neck t-shirt. Introduce a pair of brown leather sandals to this outfit to avoid looking overdressed. A killer outfit like this one is just what you need come super hot summer days. Laid-back outfits for 30-something guys aren't actually that hard, as you can see.
Marrying a white suit with a tobacco long sleeve shirt is an on-point choice for a smart and classy ensemble. Serve a little mix-and-match magic with brown leather sandals. So if it's a warm weather afternoon and you want to look stylish without putting in too much work, this ensemble will do the job in no time. Gents who are curious how to pull off cool casual outfits as you turn 30, you have your answer.