Calvin Klein Round Sunglasses combine a classic round silhouette with acetate frames and Cr 39 lenses for reliable sun protection. Ideal for everyday wear, they offer high UV protection and clear, comfortable coverage. Key attributes: Black | Nero | Acetate | Uva/Uvb protection | Sun filter category 3 — high sun glare reduction | Protective carrying case included | Prescription lenses available | Round silhouette | Grey lenses (black colourway) | Dimensions & fit: Lens size: 51 mm | Bridge: 18 mm | Temple/Arm: 145 mm | Size M | Composition & care: Frame: Acetate | Lens: Cr 39 Colour: black