TR90 SUPER DURABLE THERMOPLASTIC FRAMES – Tired of broken sunglasses? These Bifocal glasses are made of TR90 thermoplastic. Thermoplastic is a Swiss technology that offers extreme stress and crack resistance, flexibility and an incredibly smooth finish. TR90 is extremely durable, flexible and light weight. It’s also extremely heat resistant, so you don't have to worry about the frames melting, getting sticky, or getting too hot under the sweltering sun.
INCREDIBLY FLEXIBLE FRAMES & NOSE PIECES – These bifocals are extremely light and flexible, so they conform nicely around your head. You can wear these pairs for hours while playing 18 holes of golf and not even notice they are on. Soft rubber nose and ear pieces prevent slippage, so these readers are perfect for cycling, running, tennis, baseball, motorcycle riding and golf.
IMPACT RESISTANT SAFETY LENSES – No matter what you plan on wearing sunglasses for, eye protection should always be a priority. These lenses are constructed of polycarbonate lenses. They are 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 sunglasses.