A Superb Yet Practical Pairing of Updated Styling and Casual Functionality. Mass Vision sunglasses frames use advanced acetate material that is lightweight; resistant to cracking and stands well against extreme temperatures. The frames are equipped with impact resistant; polycarbonate lenses which provide 100% UV protection. Protecting your eyes and enhancing your confidence for less than eight dollars per pair. * Strategically placed bifocal lens allows you to conveniently read when necessary and not get in the way for normal viewing. * Polycarbonate shatterproof lenses will withstand impact from small debris and works great in the wind. * Choose from many frame colors and reading lens strengths that best suit you. * 3 microfiber carrying cases included. There is No Need to Bring Multiple Pairs of Eyewear on your Outdoor Adventures. If viewing objects up close as well as reading in the sun is difficult for you; bifocal sport wrap sunglasses may be the perfect solution. Rather than having to constantly switch between reading glasses and sunglasses; bifocals contain split lenses that allow for distance vision and reading vision that are perfect for reading gauges in your car or motorcycle; viewing your heart rate and pace time while setting personal bests for running; biking and all outdoor sports and activities. Features and Benefits. - (Bottom Pictured Pair) ANSI Z87.1 Certified - The American National Standards Institute (ANSI) aims to make in an easier and safer process to work jobs such as construction; metal work and laboratory; its standard for eye protection; ANSI Z87.1; establishes the criteria for using; testing; marking; choosing; and maintaining eye protection to prevent or minimize injuries from eye hazards. - EYE HEALTH - Reading Sunglasses help you preserve your eye health by reducing eye strain and fatigue. - COST SAVINGS - Because youll no longer need multiple pairs of glasses; bifocal sunglasses save you money. - EASE OF USE - Sun Readers are convenient. Its just that simple. No longer will you need to carry multiple pairs of glasses around with you. - Microfiber Soft Pouches Included (USD10 value).