For a goofproof smart casual option, you can always rely on this combination of a dark brown pea coat and charcoal chinos. Driving shoes can instantly play down a polished outfit. Keep this outfit in your front hall wardrobe come warmer days, and we promise you'll save a lot of time crafting what to wear on more than one occasion. A no-brainer for 30-something Millennial gents looking for a more mature look.