Why not consider wearing a long sleeve henley shirt and chinos? These items are very comfortable and look nice when married together. Inject your look with an added dose of style by rocking a pair of brown suede chelsea boots. If you're after a cool look that transitions easily into spring, this is it. As a 30-year-old gent, you want to start dressing more like a mature gentleman. That's when combinations like this are a life saver.