Kaleos Kalu C4 Sunglasses pair the brand’s technical design with a refined, contemporary look, featuring a square acetate frame and green-tinted lenses for clear, protected vision. Key attributes: Gray | Grigio | Acetate | 100% UV protection | Anti-reflective lenses | Flat bridge | Side shields | Integrated acetate nose pads | Square frame | Transparent grey acetate front with dark grey laminate | Thin temples | Flat bridge with side shields | Dimensions & fit: Lens width: 57 mm | Bridge: 18 mm | Temple length: 155 mm | Composition & care: Frame: Acetate (Mazzucchelli acetate) | Lenses: CR-39 (plastic) | Clean lenses with a microfiber cloth and store in the provided case. Avoid abrasive cleaners.