Nike 4317 Eyeglasses combine a memory metal full-rim rectangle frame with lightweight, flexible construction for everyday prescription wear and active use. Key attributes: Satin Gunmetal | Black | Memory metal | Lightweight construction | Flexible, shape-retaining frame | Prescription-ready | Adjustable silicone nose pads | Flexible memory metal temples | Rectangle shape | Full-rim frame | Available in multiple colorways and sizes | Dimensions & fit: 55-14-145 (Lens width 55 mm · Bridge 14 mm · Temple 145 mm) | 57-14-145 (Lens width 57 mm · Bridge 14 mm · Temple 145 mm) | Vertical lens measures approx. 38.2 mm (size 55) and 39.6 mm (size 57) | Composition & care: Clean lenses with a soft microfiber cloth. Avoid abrasive cleaners or solvents.