Why not marry a denim jacket with a charcoal crew-neck sweater? As well as totally functional, these two pieces look awesome when paired together. Complement your outfit with grey canvas low top sneakers to add a dose of stylish effortlessness to your ensemble. This look is the definition of perfect for when leaves change color and fall is at its best. This pairing illustrates that as a mature guy, you still have a vast array of styling options.