This smart combination of a navy crew-neck t-shirt and a grey suit is extremely easy to pull together without a second thought, helping you look amazing and prepared for anything without spending too much time going through your closet. And if you want to easily dial down your look with a pair of shoes, complete this outfit with a pair of white athletic shoes. You actually can remain cool and pulled-together under the crazy heat. The proof is right here You can take inspiration from combinations like this if you're in your 20s and you want to take a more adult direction in your personal style.