Putting together a burgundy crew-neck t-shirt with grey vertical striped shorts is a nice pick for an off-duty but on-trend ensemble. Boat shoes will bring a dose of polish to an otherwise everyday look. Keep this combo in mind come warmer days, and we guarantee you'll save a ton of time getting dressed on more than one occasion. And if we're talking casual style tips for 30-something Millennial guys, this combination suits almost any man.