One of the coolest ways for a man to style a blue crew-neck t-shirt is to marry it with charcoal chinos for a relaxed look. Tap into some David Gandy stylishness and add a pair of burgundy leather derby shoes to the equation. There's no better way to spice up a bleak fall day than a stylish outfit like this one. A no-brainer for guys in their 30s looking for a more mature image.