BTB Sport Optics 800 Readers Sunglasses Composite frame Composite lens non-polarized Lens width: 76.2 millimeters Lens height: 38.1 millimeters Rugged Grilamid TR-90 frames and tough 2.2mm Panlite Polycarbonate lenses 100% optical clarity, optimum Focal Point lenses and 100% UVA & UVB protection "Frame Flex" Technologyy & Form Fitted for Comfort Meets and/or exceeds ANSI, OSHA and Ballistics specifications "No Risk" guarantee. If our BTB sunglasses dont fit, send them back for a purchase price refund or select another style.