Nike Brazen Boost M sunglasses pair a rectangular full-rim silhouette with a bio-injected frame for lightweight durability, suitable for outdoor sports and everyday wear. Key attributes: Black | Matte black | Grey | Blue | Bio injected plastic | Lightweight construction | Not prescription-compatible (non-RX) | Rectangular shape | Full-rim frame | Sporty profile | Dimensions & fit: Eye 57 mm | Bridge 16 mm | Temple 130 mm | Large fit | Composition & care: Bio injected plastic | Clean lenses with a microfiber cloth; avoid abrasive cleaners and solvents; store in a protective case.