This classic and casual pairing of a white and blue vertical striped dress shirt and jeans is very easy to put together in seconds time, helping you look dapper and prepared for anything without spending too much time rummaging through your wardrobe. Infuse a more laid-back finish into your ensemble by slipping into olive boat shoes. Entirely appropriate for hot weather, you can wear this outfit throughout the summer. A no-brainer getup appropriate for gentlemen over 30 who prefer casual clothing.