If you'd like take your casual game up a notch, consider pairing a white crew-neck t-shirt with dark brown chinos. Inject a laid-back vibe into this ensemble by finishing with a pair of white canvas high top sneakers. So as you can see, this look is a really smart choice, especially for awkward transition weather, when the temps are getting lower. When it comes to fashion tips for adolescent guys, this look is a good look on almost anyone.