These polarized "covers" fit on top of your Rx glasses without touching the prescription lens below. If you are fishing on the lake or stream and your glasses go overboard, they will "Float" enabling you to retrieve them. Comfortable lightweight frame. Comes with a floating lanyard that gives you even more protection if your glasses should somehow go overboard.
*100% UVA/B Protection
*Weight: Less Than One Ounce
*Lens Size: 63mm by 38 mm, Temple: 127 mm, 140mm Across Top Frame
*"FLOAT" If They Go Overboard on Surface of Water *Come With Free "FLOATING" LANYARD, Microfiber Cleaning Cloth Case