Each pair includes a Combination Microfiber Cleaning Cloth - Storage Case. All SOS X-Wrap™ Sport Sunglasses feature Shatter Proof DuraLite™ Polycarbonate Lenses that provide Full Spectrum UV Protection as well as a reduction in the heat from Infrared Radiation that is a leading cause of dry and scratchy eyes. SOS Heat sunglasses comes with Flash Mirror Smoke Lenses. Ergonomically designed, Wrap-Around, Head Hugging styling shields the eyes from both direct brightness and peripheral sunlight that creeps past traditional Sunglasses. Lightweight CSF: Composite Shock Frames™ provide extreme durability and flexibility. SofTouch™ cushioned temple tips and nose bridges offer long wearing comfort. All Survival Optics Sunglasses™ are backed by a Lifetime Replacement Guarantee to insure your satisfaction.