To put together a casual ensemble with a contemporary spin, reach for a charcoal crew-neck sweater and a black crew-neck t-shirt. If you want to effortlessly step up this outfit with a pair of shoes, why not add tobacco suede derby shoes to the mix? Clearly, it's easier to work through a baking hot afternoon in a light and breezy combination like this. Now that's an ensemble that will surely make you stand out among other 20-year-old guys.