This combination of a grey print hoodie and light blue denim shorts is hard proof that a pared down casual outfit can still be really stylish. On the fence about how to round off your getup? Rock a pair of grey slip-on sneakers to kick up the classy factor. This combination isn't a hard one to nail and it's summer-ready, which is most important when it's super hot outside. When it comes to casual style tips for over-30 men, this getup looks great on almost anyone.