How did cyclists in the '80s even see around those big, bulky frames? We've come a long way since the days of leather chamois and crumbly energy bars. The Smith Reverb performance sunglasses have a modern, 27-gram shield for a panoramic view without the weight of bigger glasses. The PivLock™ design lets you easily swap between two interchangeable ChromaPop™ lenses. No-slip nose and temple pads keep your glasses right where you need them around every blind corner and up every brutal climb. Product Details Vision ChromaPop™ lenses enhance contrast and natural color to make the details pop Smudge and moisture resistant coating for easy cleaning and clear optics 100% UV protection Fit / Integration Medium fit, medium coverage 7x4 toric lens curvature Megol temple and nose pads provide nonslip grip so glasses stay put Two-position adjustable nose pads AutoLock hinges hold frames open for easy one-hand on and off Frame Lightweight, flexible and durable TR90 frame PivLock™ interchangeable lens system makes lens changes easy What's Included Bonus Clear lens Microfiber bag with internal sleeve Performance case Lens Details Gray lens tint provides true color perception for exact color definition. Creates soothing effect on eye in bright or sunny conditions. Provides 100% protection from harmful UVA/B/C rays. VLT = 15%