Nike Flyfree M Sunglasses deliver a shield-style, performance-focused frame with mirror-coated lenses for wide coverage and reduced glare. Built for running and outdoor use, they balance comfort and field-of-view for active wear. Key attributes: Black | Matte black | Green mirror | Road | Cellulose acetate | Designed for running and outdoor activities | Mirror-coated lens reduces glare | Wide coverage for enhanced field of view | Shield lens | Geometric frame shape | Mirror-finish lenses | Dimensions & fit: Lens width 59 mm | Bridge 14 mm | Temple 135 mm | Composition & care: Frame: Cellulose acetate | Wipe clean with a soft, non-abrasive cloth.