Maui Jim Koko Head Sunglasses combine a lightweight nylon frame with Maui Jim’s PolarizedPlus2 lens technology for clear, glare‑free vision in bright conditions. Key attributes: Black | Nero | Nylon | PolarizedPlus2 lens technology | High UV protection | Enhanced contrast and glare reduction | Optional SuperThin Glass lenses | Rubber-tip temple ends | Embedded rubber nose pads | Hidden spring hinges | Rounded frame with keyhole bridge | Lightweight silhouette | Full-rim construction | Dimensions & fit: Lens width: 49 mm | Bridge: 21 mm | Temple length: 145 mm | Lens height: 40 mm | Small fit | Composition & care: Frame: Nylon | Lens: PolarizedPlus2 (option for SuperThin Glass lenses) | Clean lenses with the included microfiber cloth and store in the protective case when not in use.