The formula for a killer laid-back outfit for men? A grey print long sleeve shirt with blue jeans. When it comes to shoes, add white canvas low top sneakers to the mix. Keep this ensemble in your front hall closet come spring, and we promise you'll save time trying to pick out what to wear on more than one occasion. Those wondering how to pull off cool casual outfits as you drift through your 20s, this combination should answer your question.