This smart casual combo of a blazer and a white long sleeve t-shirt is extremely easy to throw together in seconds time, helping you look awesome and prepared for anything without spending a ton of time combing through your wardrobe. You could perhaps get a little creative when it comes to shoes and introduce a pair of black leather derby shoes to this outfit. It is indeed possible to keep your cool under the summer heat, and this getup is hard proof of just that Men who are curious how to dress fashionably well into your 30s, you have your answer.