Nike Flyfree Infinity Sunglasses combine a sport-focused shield lens with interchangeable optics for fast light changes. Adjustable nose pads and a ventilated rubber bridge deliver stable, fog-reducing comfort for running and road use. Key attributes: Sanddrift | Grey | Injected polyamide | Nike Road Tint blocks harsh light | Nike Max+ reduces reflections for clearer vision | Medium coverage with moderate peripheral light blockage | Interchangeable lens system | Adjustable nose pads | Adjustable temples | Secure lens latch | Includes case and microfiber cloth | 5-base curved shield | Aviator-inspired frame | Wraparound profile | Ventilated rubber nose bridge | Dimensions & fit: Lens width: 51 mm | Bridge width: 12 mm | Temple length: 130 mm | One size | Composition & care: Injected polyamide | Rubber (nose bridge) | Wipe lenses with the supplied microfiber cloth and store in the case.