DETAILS & CARE Gold-tone metal, black acetate 100% UV protection Karen Walker's offbeat sunglasses have been spotted on so many stylish women, including Alexa Chung, Gigi Hadid and Florence Welch. This 'Superstars Felipe' pair is crafted from gold-tone metal and black acetate inlaid with mirrored lenses. The cat-eye frames best suit those with round or heart-shaped faces.