The Radians CSB1011CS Ballistic Rated safety eyewear is comfortable for all day wear while durable enough to protect your vision in extreme environments. Single lens design provides a large viewing area without obstruction. These glasses block 99.9% of UVA and UVB rays and are tested to ensure ANSI Z87.1+ compliance. Series Glasses Lens Type Polycarbonate Uv Rating 99.9% Frame Type Half Frame Lens Color Clear Nose Piece Rubber Ansi Rating Z87.1 Frame Color Black Frame Material Metal