If you want an aggressive look that can match you every step of the way, look no further than the PYTHON. The PYTHON is perfect for medium faces. Get a pair of PYTHONs and get ready to take on the world, or whatever challenge just happens to be next.. LENS - HD POLARIZED TNSCat. 3Tint base : GreyTransmission : 12% No more disturbing glare with this polarized polycarbonate lens. Provides 100% UV protection with a grey base that maintains natural color perception.  100% UV protection  Lightweight  Polarized  Visibility  Protection