A navy knit wool turtleneck and dark green chinos are wonderful menswear staples that will integrate perfectly within your casual styling arsenal. Take a classic approach with shoes and introduce casual boots to the equation. Keep this combo in your head when spring sets it, and we promise you'll save a ton of time getting dressed on more than one occasion. This ensemble is a great inspo to anyone who had doubts about donning casual outfits as an over-40 guy.