This off-duty combo of a white and green long sleeve shirt and a crew-neck t-shirt is extremely easy to put together without a second thought, helping you look sharp and ready for anything without spending a ton of time searching through your wardrobe. Finishing off with a pair of dark brown leather sandals is the most effective way to add a hint of stylish nonchalance to this ensemble. As full-blown summer settled in, it's time for easy and breezy combos like this one. This combo should clear any doubts you had about wearing casual clothes in your thirties.