Why not choose a tan plaid harrington jacket and black cargo pants? As well as super functional, both items look amazing worn together. If you want to immediately dress down your outfit with one single item, why not complete your getup with grey athletic shoes? Can you see how super easy it is to look sharp and stay comfy come cooler days, all thanks to combos like this? A no-brainer outfit proper for guys over 30 who prefer casual clothing.