If you put practicality above all else, this street style pairing of a white and blue crew-neck t-shirt and skinny jeans is your go-to. Avoid looking too casual by finishing off with white leather low top sneakers. Keep this look in mind come warmer weather, and we promise you'll save time getting dressed on more than one occasion. Those who are dubious whether you can still wear cool casual looks as you pass the big 4-0, this pairing should answer your question.