QUAY No Apologies 55mm Gradient Square Sunglasses 。Quay \"No Apologies\" sunglasses, identifiable by the distinctive gold grommet detailing and brand markings. Frame Specifications The printed numbers (54▢17-145) represent the standard optical measurements in millimeters: 54mm (Lens Width): The horizontal width of one lens at its widest point. 17mm (Bridge Width): The distance between the two lenses that sits over your nose. 145mm (Temple Length): The total length of the temple arm from the hinge to the tip. Lens Category The LENS CAT.3 designation indicates these are \"Dark\" tint lenses suitable for strong sunlight. Category 3 lenses typically: Filter between 82% and 92% of visible light. Provide a high level of sun glare reduction and 100% UV protection. Are safe for daytime driving but too dark for nighttime use.