Go for a straightforward yet cool and relaxed look by wearing a white crew-neck t-shirt and yellow sports shorts. To give your look a more sophisticated touch, why not complement your outfit with a pair of white low top sneakers? As we all know, the key to getting through the hottest time of year is wearing easy and breezy combinations like this one. So if you're on a mission for outfit inspo for dressing as a teenage boy, this outfit is a perfect example.