Pairing a crew-neck sweater with a light blue denim shirt is an on-point choice for a neat and relaxed look. A good pair of dark brown leather derby shoes is a simple way to infuse a touch of refinement into this ensemble. So as you can see, it's extremely easy to look on-trend and stay comfortable when colder weather arrives, all thanks to outfits like this one. A practical example for any guy who's still figuring out how to dress age-appropriately while still looking stylish.