Serengeti Bromo 6758 Drivers Gradient, Non-Polarized (amber) Lens plastic frame glass lens non-polarized Lens width: 57.5 Bridge: 17 millimeters Serengeti Light-Weight Mineral Glass Photochromic (light-adapting) Small to Medium Fit Fast delivery Non Polarized Drivers Gradient Lens - Perfect for Pilots You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!