Boss HG 1331 Optical Frame pairs a full-rim square silhouette with two magnetic clip-on shaded lenses for quick sun-ready convenience. Designed for everyday wear, it offers easy switching between optical and sunglass modes. Key attributes: Black | Plastic | UV protection (clip-on lenses) | Lightweight frame | Magnetic clip-on sunglasses | Includes two clip-on lenses (black and red) | Includes case and cleaning cloth | Full rim | Square shape | Patterned temples | Dimensions & fit: Lens: 55 mm | Bridge: 16 mm | Temple: 145 mm | Composition & care: Plastic (frame) | Polyester (clip-on lenses) | Clean lenses with the included microfibre cloth and store in the supplied case when not in use.