This smart casual combo of a double breasted blazer and a white and blue crew-neck t-shirt is very easy to pull together without a second thought, helping you look awesome and prepared for anything without spending a ton of time rummaging through your wardrobe. Don't know how to complement your ensemble? Finish off with black and white leather brogues to kick it up. So if you're scouting for style ideas on what to wear as you move into your 40s, this outfit is perfect.