This classic and casual combination of a blazer and a navy and green long sleeve shirt is very easy to put together in seconds time, helping you look on-trend and ready for anything without spending too much time combing through your wardrobe. Dark brown suede desert boots will add a relaxed aesthetic to the look. Springtime is a wonderful time of year and it calls for standout getups just like this one. When it comes to outfit ideas for middle-aged guys, this combo is perfect.