Practical Guess sun wear have it all lined up in front of you offers designs for any personality and pastime, for a bar trip or a hang-out. Plastic and metal arms. Meets 100% UV requirements. Optically correct. Constant tint for bright light absorption. Many glasses come as frameless shades. Unlike Chanel, Guess doesn't have to worry about counterfeit glasses designs -- as compared to Chanel, Guess sunglasses is placed in a much lower price-range but still very fashionable and confirmed it by many celebrities.