Nike Windtrack Run Sunglasses combine a streamlined, close-fitting sport frame with adaptable photochromic lenses for running and high-intensity outdoor use. Key attributes: Black | Matte black | Dark grey | Plastic | Photochromic lenses (adapt to light) | 100% UVA/UVB protection | Lightweight, durable construction | Adjustable rubber nose bridge | Adjustable temples with silicone sleeves | Prescription-friendly frame | Wraparound sport silhouette | Ventilated frame with anti-fog holes | 8-base curved lens shape | Dimensions & fit: Lens width: 68 mm | Bridge width: 14 mm | Temple length: 135 mm | Close-fitting, wraparound fit | Composition & care: Plastic frame | Photochromic lens | Silicone temple sleeves | Rubber nose bridge | Wipe lenses with the included microfiber cloth and store in the supplied case.