For an ensemble that's worthy of a modern stylish gent and casually polished, reach for a beige waistcoat and a crew-neck t-shirt. To inject a more casual finish into your getup, add a pair of white low top sneakers to the mix. Rest assured, this combo will keep you toasty as well as looking stylish in this summer-to-fall weather. Those who wonder whether you can still sport cool casual style in your fifties, this combination should answer your question.