Thoughtfully designed for an active lifestyle, the Grouse moves with you. Features include an ultra lightweight and flexible acetate, gripped nose pads, and hingeless pins—all of the benefits, without the hassle. Whether you're going for a hike up the mountain, heading out for a city run or staying stylish on your commute, these classic and modern sunglasses are the perfect fit for the on-the-go lifestyle. Please note these frames are best suited to those with average/medium sized faces.