A navy and green plaid long sleeve shirt and a white crew-neck t-shirt are the kind of off-duty essentials that you can wear for years to come. If you wish to immediately up the style ante of your look with footwear, why not introduce a pair of black leather derby shoes to the mix? You totally can keep your cool under the oppressive heat. The proof is right here Wondering how you should dress as you pass the big 5-0? This combo is the perfect answer.