Costyle 1 Pack Mirror Retro Polarized Clip-on Flip-up Plastic Sunglasses Compatible with Myopia Glasses for Driving Fishing Outdoor Sport (Royal Blue) 100% UV protection High Quality metal frame Soft rubber Legs have proprietary coating to protect ophthalmic lenses and prevent shifting and scratching New design leg profile to fit both metal and plastic frames Convenient one hand application to Prescription frames with positive indexing lens positions