[Karsaer] TR90 Sports Sunglasses, Polarized Riding Sunglasses, MTB/Fishing, Baseball, Bicycle, UV Protection, 4 Lenses Included B7053

|How to replace lenses! | - We have videos and very detailed instructions on how to replace lenses. No need to slide the nose guard. This is a new design for interchangeable lenses. Be sure to watch the video before changing lenses for the first time.