Carrera CA 4020/CS Optical Frame with Clip-On pairs a lightweight polyamide frame with removable polarized clip-on lenses for clear vision and reliable sun protection. Designed for everyday wear, it converts quickly between optical and sunglass use. Key attributes: Black | Matte black | Polyamide | Polarized lenses | UV protection | Lightweight frame | Removable clip-on sun lenses | Convertible optical-to-sunglasses design | Rectangular frame | Full rim | Temples with ultem detail | Dimensions & fit: Lens width: 56 mm | Bridge: 16 mm | Temple length: 140 mm | One size | Composition & care: Polyamide | CR-39 lenses | Ultem (temple detail)