Why not marry a white and black horizontal striped long sleeve t-shirt with dark green cargo pants? As well as super functional, both of these items look good worn together. Introduce a pair of burgundy leather brogues to the equation to instantly jazz up the ensemble. This pairing demonstrates that turning 30 is no reason to shed casual style altogether.
This combination of a white and black horizontal striped long sleeve t-shirt and green cargo pants speaks laid-back attitude and stylish comfort. If you wish to immediately step up this outfit with one single item, complete this outfit with a pair of burgundy leather brogues. As you can see here, in your thirties your sartorial options are in no way limited.