This laid-back combination of a raincoat and a white and black crew-neck t-shirt is very easy to put together without a second thought, helping you look seriously stylish and prepared for anything without spending a ton of time searching through your wardrobe. If you want to immediately perk up your ensemble with a pair of shoes, why not complete your getup with dark brown leather loafers? This combination demonstrates how to score in casual dressing as a teenage guy.