Description Measurements The Muzzy takes on some new angles where other angles feared to tread. It was time to dust off the protractor and get our obtuse, acute, and right-angle muscles back from the Cortizone shots received earlier this month. Muzzy is a bold sturdy frame that will sit on any face...wait...that didn't come out right. Core Features A premium hard coating protects lenses, increasing durability and minimizing scratches. Lenses include a high-performance water, dirt, and grease-repellent coating for easy maintenance and superior optics. Premium, bio-based acetate frame with 5-barrel industrial hinges. Design details Versatile style with a small-medium fit. Highly-sculpted frame design has an architectural look. Metal diamonds embellish the front of the frame at the temple. Sturdy 5-barrel hinges ensure security and stability. Temples feature a wire core for customizable fit. Materials Frame: Premium bio-based, high-density acetate. Hardware: Custom alloy metals. Lenses: Proprietary Frq blue light filtering CR39 lens.