Doggles Small K9 Optix Sunglasses for Dogs, Silver Frame, Pink Lens Dogs Need Eye Protection Too! Made from rugged, high-quality materials, Doggles combine function and fashion. Protect dogs eyes from the elements and from harmful Ultra Violet rays while adding a sporty look to any canine. Doggles K9 Optix feature sunglass-style lenses and an extra wide bridge to fit any nose. Sunglasses feature shatterproof, polycarbonate lenses and a two strap adjustable system that keeps Doggles securely in place. Doggles K-9 Optics Sunglasses are available in both mirrored and pink lenses and in X-Small, Small, Medium, and large sizes.