Nike Brazen Boost M sunglasses combine a sporty rectangular silhouette with a lightweight acetate frame for everyday sun protection and active wear. They suit city and outdoor use while delivering reliable UV protection. Key attributes: Matte black | Grey | Blue | Acetate | UV protection (UV400) | Lightweight construction | Non-polarized lenses | Full-rim design | Rectangular frame | Matte finish | Sport-inspired temples | Full-rim construction | Dimensions & fit: Lens width 57 mm | Bridge 16 mm | Temple length 130 mm | Large fit | Composition & care: Acetate | Wipe lenses with a microfiber cloth. Store in the supplied protective case. Avoid exposure to extreme heat and harsh chemicals.