TYR Technoflex 4.0 features breakthrough technology to customize the feel and structure of the goggle. Our new technology allows different harnesses of TPR to be placed in specific locations. Softer TPR around the face and firmer TPR along the nosebridge and around the lens. Optically clear, shatter resistant Lexan polycarbonate lenses are UV protected and anti-fog coated. Ratchet side clips allow for easy tightening of headstrap.