A sweatshirt and cargo pants are a pairing that every smart guy should have in his casual closet. To introduce an easy-going vibe to your look, throw white athletic shoes in the mix. So if you're looking for a look that's seriously stylish but also totally spring-friendly, you found it. Just because you're in your 40s, doesn't mean you're allowed to give up on your style, and this getup illustrates exactly that.