AO Eyewear Original Pilot Sunglasses 55mm Gray Non-Polarized Polycarbonate Lenses Metal Alloy Black Frame Color - Frame Constructed With Self Locking Micro Screws - Perfect For Prescription Replacement Lenses Color Correct Non-Polarized Polycarbonate Gray Lenses Bayonet Temples Self-Adjusting Nose Pads AO Case and 1 Year AO Warranty Included