This modern casual combination of a white and navy vertical striped long sleeve shirt and black sports shorts is extremely easy to throw together in next to no time, helping you look dapper and ready for anything without spending too much time rummaging through your wardrobe. Throw grey athletic shoes into the mix and ta-da: this getup is complete. Gentlemen who are curious how to pull off modern casual looks as you get into your 30s, this combo should answer your question.