Nike 5538 Optical Frame pairs a sport-inspired, full-rim acetate build with a clean rectangular profile for versatile everyday wear. Designed for prescription use, it balances durability and straightforward style. Key attributes: Black | Acetate | Suitable for everyday use | Prescription-ready | Includes original case and cleaning cloth | Certificate of authenticity and guarantee included | Full-rim rectangular frame | Sport-inspired design | Dimensions & fit: Lens width 49 mm | Bridge 17 mm | Temple length 135 mm | Composition & care: Cellulose acetate | Wipe lenses with the included cleaning cloth; avoid harsh chemicals.