A crew-neck t-shirt and blue cargo pants are your go-to outfit for off-duty days. Take a classic approach with shoes and complete this outfit with a pair of tobacco leather casual boots. This one is an exciting pick if you're figuring out a cool outfit that will take you from summer to fall.
If the setting permits casual urban dressing, consider teaming a crew-neck t-shirt with blue cargo pants. Brown suede chelsea boots are the most effective way to give an added dose of polish to your look. It's a smart pick if you're picking out a well-coordinated outfit for unpredictable fall weather.