For something more on the casually cool side, you can wear a grey crew-neck sweater and grey chinos. Balance out this outfit with a dressier kind of shoes, such as this pair of dark brown leather casual boots. This outfit demonstrates how to look good as you pass the big four-oh.
Seriously stylish yet comfy, this ensemble combines a grey crew-neck sweater and grey chinos. A pair of beige canvas slip-on sneakers makes your ensemble complete. An amazing example for any man who's still figuring out how to dress age-appropriately while still looking stylish.