An aquamarine floral short sleeve shirt and a white crew-neck t-shirt are a pairing that every style-conscious gentleman should have in his wardrobe. Black leather chelsea boots are guaranteed to breathe an extra touch of elegance into your ensemble. As the weather starts to warm up, it's time to get rid of those bulky winter clothes and choose something lighter, like this getup here. Certainly a foolproof option when it comes to style for 30-year-old men.