This classic and casual pairing of a navy quilted gilet and a white dress shirt is very easy to throw together in no time, helping you look stylish and ready for anything without spending too much time searching through your closet. Add a pair of black leather derby shoes to your outfit to effortlessly ramp up the classy factor of any look. Now that's winter style inspiration. Searching for dressing ideas for 30-something men? This ensemble is pretty inspiring.