A red crew-neck t-shirt and jeans are absolute menswear must-haves that will integrate nicely within your off-duty styling lineup. To bring out a refined side of you, add grey suede derby shoes to the mix. Keep this ensemble in mind come warmer days, and we promise you'll save a lot of time trying to pick out what to wear on more than one occasion. So if you're on a mission for a great yet age-appropriate outfit, this just might be it.