This combo of a teal print hoodie and black chinos is on the casual side but is also seriously stylish and truly sharp. Complete this ensemble with a pair of athletic shoes to infuse a dose of stylish casualness into this ensemble. There's no better way to spice up a dull fall afternoon than a seriously stylish look like this one. Gentlemen who wonder how to wear modern casual outfits as you progress through your 20s, this getup should answer your question.