The ANACONDA's curved arms hug your face to keep your sunglasses right where they belong. This progressive design is perfect for those with medium to large faces looking for a wear-everywhere sunglass that’s extremely versatile and comfortable. 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