A grey wool blazer and grey sweatpants are among the crucial pieces in any modern gent's properly coordinated off-duty arsenal. If not sure as to the footwear, complement your outfit with white low top sneakers. So if you're searching for a look that's seriously stylish but also feels entirely spring-appropriate, you found it. Guys who are curious how to stay fashionable as you head into your 30s, you have your answer.