Nike Flyfree Infinity sunglasses pair a sport-focused shield lens with an interchangeable-lens system for adaptable performance and secure fit during active use. Key attributes: Multicolor | Multicolore | Nike Max+ lens technology reduces glare | Medium coverage with controlled peripheral light | Ventilated rubber nose bridge to reduce fogging | Interchangeable mount-and-lock lens system | Adjustable silicone nose pads and flexible silicone temples | Quick, secure lens change | Shield lens shape | 5-base curved shield | Mirrored lens finish | Dimensions & fit: Lens width: 51 mm | Bridge width: 12 mm | Temple length: 130 mm | Medium coverage (5-base curved shield) | Secure, adjustable fit for active use | Composition & care: Silicone (nose pads and temples)