Boss 1847/G/C 807 Optical Frame pairs a classic square optical frame with a clip-on sunglass for quick indoor-to-outdoor transition. Designed for everyday prescription use with simple clip-on sun protection. Key attributes: Black | Plastic | Polarized clip-on available | Clip-on sunglass | Square frame | Full rim | Dimensions & fit: Lens width: 55 mm | Bridge: 16 mm | Temple length: 145 mm | Frame width (size L): 137 mm | Composition & care: Plastic