AO Eyewear Original Pilot 55mm Black Frame Bayonet Temple Cosmetan Brown Glass Lens Sunglasses USMC USAF USN Metal Alloy Black Frame Color - Frame Constructed With Self Locking Micro Screws - Perfect For Prescription Replacement Lenses Cosmetan Brown Non-Polarized Optical Glass Lenses Bayonet Temples Self-Adjusting Nose Pads AO Case and 1 Year AO Warranty Included