A blazer and brown chinos worn together are a sartorial dream for gentlemen who love casually neat styles. On the fence about how to finish? Complement your outfit with navy slip-on sneakers for a more laid-back aesthetic. Undoubtedly, it's easier to work through a warm warm weather day in a breezy combo like this. Gents who wonder how to wear cool casual looks as you are making it through your adolescence, you have your answer.