Free Shipping & Easy Returns! Explore Guess GU7817 Prescription Sunglasses now and enjoy the latest promotions on Guess frames. Elevate your style with the Guess GU7817 square sunglasses. These square frames, crafted from durable nylon and propionate, deliver a modern and structured look. The full-rim design enhances definition, while injected temples ensure a lightweight and comfortable fit. Perfect for daily wear, they offer advanced 100% UVA/UVB protection for confident outdoor moments. Designed for women seeking both fashion and function.About Guess Eyewear Our collection of Guess eyewear for men and women embodies the European-inspired sexy and sophisticated style that describes this brand. For more than three decades, the company has seamlessly paired its French roots with a classic American aesthetic. Influenced by vintage shapes with an eye on contemporary trends, the eyewear showcased here blends design elements for an impeccable style that is unmistakably Guess.