Allows maximimum light transmission without changing or distorting sigh or colors. Suitable for indoor or low light conditions. The Concept is our #1 selling foam lined safety glass. Designed specifically for sports, this glass has made an easy transition into the workplace with comfort and style as a key components. Model Number: 844AF Style: Concept Lens: clear AF UPC Code: 892214001221 Temple Width: 130 mm Base Curve: 8 Frame: Half Frame frame color: Crystal Black Frame Material: TR90 Mold Type: Private Mold % of light that passes through: 91% Frame Type: Crystal Black Features: Foam Lined