This classic and casual pairing of a blazer and a white and blue crew-neck t-shirt is super easy to throw together without a second thought, helping you look sharp and ready for anything without spending too much time going through your wardrobe. Clueless about how to finish your outfit? Wear a pair of brown leather dress boots to kick up the style factor. So if you're after a stylish yet mature combination for a gent in his 20s, this one fits the bill.