This off-duty pairing of a navy denim jacket and a white crew-neck t-shirt is super easy to put together in no time flat, helping you look dapper and prepared for anything without spending too much time digging through your wardrobe. Brown leather derby shoes will bring an extra dose of style to an otherwise too-common ensemble. There are many ways to look knockout and get through the heatwave, and that's one of them. This getup shows how to stay fashionable in your forties.