You'll be surprised at how very easy it is to put together this sophisticated outfit. Just a dark brown plaid wool blazer matched with a white dress shirt. Rounding off with a pair of burgundy leather oxford shoes is the simplest way to inject an extra dose of sophistication into your outfit. You can bet this getup will become your go-to come warmer days. Surely a favored option when it comes to dressing ideas for 40-something guys.