If you're searching for a casual yet seriously stylish look, wear a white crew-neck t-shirt and olive shorts. Both garments are totally comfortable and will look great together. When it comes to shoes, this look is complemented wonderfully with mustard canvas low top sneakers.
Consider wearing a mint acid wash crew-neck t-shirt and grey shorts to be both casual and killer. As for the shoes, opt for a pair of mustard canvas low top sneakers.