If you love relaxed outfits, why not reach for a light blue denim jacket and a mint crew-neck t-shirt? Rounding off with black leather sandals is a surefire way to infuse a touch of stylish effortlessness into your getup. This combination is also ideal if you're searching for summertime wear to make a slow day more bearable. Those who wonder how to rock edgy casual dressing as you reach your 30s, this ensemble should answer your question.