Bobster ELR201 Low Rider II Sport Sunglasses,Black Frame/3 Lenses (Smoked, Amber and Clear),one size CONVERTIBLE FROM GOGGLES TO GLASSES: Bobster convertibles are stylishly sleek and versatile. The Low Rider II has the ability to easily convert from sunglasses to goggles. Our convertible eyewear is for those that desire the look of a sunglass and the functionality of a goggle. By simply removing the temples and inserting our goggle strap, Bobster convertibles seamlessly transition into goggles WRAP AROUND FRAME: The Low Rider II provides the ultimate in peripheral vision with its unique lens shape and wrap around frame. The matte black frame is lightweight with dual injection temples INTERCHANGEABLE LENS: Interchangeable lenses can be easily changed out by removing the lens from the eyewear frame and inserting different colored lens into the same frame. The Low Rider II comes with 3 lenses: Anti-fog Smoked, Amber, and Clear OPEN CELL FOAM: This type of foam is lighter, softer and absorbs sweat. Open cell foam also provides a better seal or fit because it is softer and adapts to the contours of the face OPTICALLY CORRECT LENSES: Optically correct lenses prevent headaches from extended wear of eyewear. Non-optically correct lenses cause continuous refocusing due to distortion. This places a large amount of strain on the eyes and can eventually lead to headaches, nausea and dizziness. All Bobster styles come with optically correct lenses LARGE FRAME SIZE: Frame Width - 145mm, Lens Width - 75mm, Lens Height - 38mm. The Low Rider II also comes with a protective carry case and microfiber cleaning cloth to keep your sunglasses in the best shape possible