This smart casual combo of a zip sweater and a white dress shirt is super easy to pull together without a second thought, helping you look sharp and prepared for anything without spending a ton of time searching through your closet. Add a pair of dark brown leather brogue boots to the equation and off you go looking smashing. When temps are starting to drop and autumn is setting in, you'll appreciate how great this look is for transeasonal weather. This outfit should encourage anyone who had doubts about more elegant outfits in his 20s.