Nike 4307 Sunglasses blend flexible Flexon construction with a low-profile rectangular frame for reliable everyday wear and active use. Key attributes: Satin Navy | Black | Flexon | Memory metal construction | Flexible frame | Lightweight | Rubber temple tips | Core wire in temples for adjustability | Rectangle frame | Full-rim construction | Ultra-thin temples | Dimensions & fit: Lens width: 56 mm | Bridge: 18 mm | Temple length: 145 mm | Large fit | Composition & care: Flexon | Rubber (temple tips) | Wipe clean with a soft cloth. Store in protective case. Avoid exposure to high heat.