You'll be surprised at how easy it is for any guy to get dressed like this. Just a navy blazer combined with a navy crew-neck t-shirt. Wondering how to finish? Complete your look with a pair of light blue athletic shoes for a more relaxed vibe. So if it's a summertime day and you want to look stylish without exerting much effort, this ensemble will do the job in next to no time. All in all, a never-failing option if we're talking fashion for teen guys.