Ray Ban Wayfarer RB2132 sunglasses are known worldwide as the "New Wayfarer" model.  This Wayfarer model has a lens not as deep as the other Wayufarer models.   Wayfarer sunglasses is one of the most popular sunglasses model of all time.  Most sunglasses come with glass lenses, and Ray Ban Wayfarer RB2132 with green G15 glass lenses or Brown B15 have a great optical purity, and are the signature color and style of the Ray Ban Wayfarer sunglasses model.  Most of these frames come with glass lenses, some are polarized, and some have mirror finishes. 

You may also want to check out other Ray Ban Wayfarer styles, including the Ray Ban Wayfarer RB2143 sunglasses, and the Ray Ban Wayfarer RB2151 sunglasses (aka "Wayfarer Square").  If you like this frame, the other all-time classic Ray Ban Sunglasses frame is the Ray Ban Aviator sunglasses.  Both of these frames are prescription sunglasses, meaning that you can have the lenses removed and replaced with lenses that you design, with your own prescription.
Matthew McConaughey was seen in the RB 2132 back in June 2009...check out the June Hall of Frames article in the Eyeglasses.com celebrity eyewear fashion blog.