Freedom 24 has the new 24-Hour Lens that can be worn day or night. They have a transitional lens that goes from light to dark automatically. Features include: Shatterproof Polycarbonate Lenses UV400 Filter for Maximum UV Protection Scratch Resistant Coating Removable Foam Padding and Flexible Frame Ends Double-Sided Anti-Fog Coating Comes Boxed with Micro-Fiber Cleaning Cloth Orange/Black Gradient Frame Frame Made of TR-90 Heat and Impact Resistant Material Questions or Comments - Call Us Toll Free 1-888-604-2197