Serengeti Arlie Sunglasses blend a classic round shape with modern details and light‑adapting, polarized mineral lenses for clear, glare‑free vision in changing light. Key attributes: Gray | Transparent | Acetate | Photochromic lenses | Polarized lenses | Spectral control | Ultra-light mineral lenses | Prescription available | Keyhole nose bridge | Metal accents | Round-meets-square silhouette | Dimensions & fit: 52 x 20 x 145 mm | Lens width: 52 mm | Bridge: 20 mm | Temple length: 145 mm | Medium fit | Composition & care: Acetate frame | Mineral glass lenses | Wipe lenses with a microfiber cloth; store in a protective case.