AO Eyewear Original Pilot Sunglasses 55mm Gray Non-Polarized Optical Glass Lenses Metal Alloy Matte Chrome (dull) Frame Color - Frame Constructed With Self Locking Micro Screws - Perfect For Prescription Replacement Lenses True Color Non-Polarized Optical Glass Gray Lenses Comfort Cable Temples Self-Adjusting Nose Pads AO Case and 1 Year AO Warranty Included