This bold casual combination of a crew-neck t-shirt and white and black shorts is super easy to pull together without a second thought, helping you look seriously stylish and prepared for anything without spending too much time digging through your wardrobe. Introduce black leather desert boots to the equation for an added touch of style. Keep this look in mind come spring, and we guarantee you'll save a ton of time crafting what to wear on more than one occasion. Now that's how you dress casually as a gentleman in his thirties.