For relaxed sophistication with a rugged take, you can always rely on an olive shirt jacket and a mustard long sleeve shirt. A pair of dark brown leather brogues instantly spruces up the look.
Mustard Long Sleeve Shirt with Olive Shirt Jacket Outfits For Men
This pairing of an olive shirt jacket and a mustard long sleeve shirt is proof that a safe ensemble doesn't have to be boring. As for the shoes, you could follow a more elegant route with brown suede loafers.
This combo of an olive shirt jacket and a mustard long sleeve shirt is a goofproof option when you need to look effortlessly smart in a flash. As for shoes, add a pair of brown leather brogue boots to the equation.