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 - BROWN BLUE Cat. 3Tint base : BrownTransmission : 15%  100% UV protection  Lightweight  Visibility  Protection