ANSI Z.87.1 SAFETY LENSES – No matter what you plan on wearing these bifocal sun readers for, eye protection should always be a priority. These lenses are constructed of safety rated ASIN Z87.1 impact resistant thermoplastic that is virtually unbreakable and extremely scratch resistant. Have you tried to break a CD (compact disc) before? It can’t be done! CDs are made of polycarbonate. The bottom line is, your eyes are worth every penny you spend on.
INCREDIBLY FLEXIBLE FRAMES & NOSE PIECES – Stiff plastic sunglasses can pinch behind your ears. These sport bifocal readers are extremely light weight and flexible, so they conform nicely around your head. You can wear these bifocals for hours and not even notice they are on. Soft rubber nose pieces and ear pieces prevent slippage, so they are perfect for cycling, tennis, baseball, golf, biking, running, driving, fishing, boating, motorcycle riding, hunting and shooting.