A navy plaid blazer and charcoal dress pants are a polished getup that every modern man should have in his arsenal. If you're on the fence about how to finish, a pair of black leather tassel loafers is a savvy option. This outfit is a foolproof option if you're in search of a great, season-appropriate outfit. Combos like this go a long way towards building your style as a gentleman in his 30s.