Dress in a double breasted blazer and a white and blue crew-neck t-shirt to achieve an interesting and modern-looking casual outfit. Channel your inner Idris Elba and lift up your look with a pair of black suede chelsea boots. So if you're searching for an outfit that's on-trend but also totally spring-appropriate, this just might be it. Wondering how to master casual dressing as you get into your 60s? This combo is the perfect answer.