A white polo and a charcoal check suit are a combination that every modern guy should have in his menswear arsenal. Play up the formality of your look a bit by slipping into a pair of dark brown leather oxford shoes. Classy combos for stylish 30-somethings aren't actually that hard.
This casual pairing of a white polo and pink chinos is a tested option when you need to look casual and cool in a flash. Dark brown leather oxford shoes will infuse a hint of elegance into an otherwise everyday outfit. When it comes to style for gentlemen in their thirties, this look is perfect.