The numbers on the temple arm of the glasses in the image indicate the measurements for the Ray-Ban RB3026 frame, a model known as the Aviator Large Metal II. Sunglass Hut Sunglass Hut +1 Here's a breakdown of what these numbers mean in millimeters: RB3026: The model code for the glasses. 62: Lens Width, which is the diameter of one lens at its widest point. This is considered a very large (XXL) measurement and is suitable for wide faces or those who prefer an oversized look. 14: Bridge Width, which is the distance between the lenses over the nose. 138: Temple Length, which is the measurement of the temple arm from the hinge to the ear tip. SportRx SportRx +6 This model is designed to be a larger version of the classic Aviator (RB3025), offering greater face coverage. SportRx SportRx +1 Selling to the highest bidder Brand: Ray-Ban Frame Material: Metal Lens Material: Glass Lens Features: UV Protection Type: Sunglasses