XOXO Slick Grey Blue Fashion Sunglasses Grey Gradient Lens No look is too casual or too formal for XOXO Slick Grey Blue, take advantage of this durable and elegant style combined with gray gradient lens and transform any situation into a red carpet event by wearing XOXO Slick Sunglasses. These Grey Blue Slick round design combined with an exquisite design always make a great fashion accessory! 61mm