A light blue long sleeve shirt and navy jeans are the kind of a foolproof casual getup that you so awfully need when you have no extra time to craft an outfit. Complement your getup with a pair of blue athletic shoes to instantly ramp up the wow factor of your getup. This combination is an obvious idea if you're in search of a cool getup that transitions easily into fall. Guys who are curious how to dress stylishly as you step into your 30s, you have your answer.