This street style pairing of a beige vertical striped crew-neck t-shirt and navy vertical striped chinos is extremely easy to throw together in next to no time, helping you look seriously stylish and ready for anything without spending a ton of time rummaging through your closet. Feel somewhat uninspired with this look? Invite a pair of black leather casual boots to mix things up a bit. Wondering how to master casual outfits as you turn 30? This pairing is a vivid example.