Browning Eyewear Sniper Sunglasses with Black PC Frame Amber TAC 1.5 Polarized Lenses TAC 1.5 Polarized Lens with Anti-Scratch Technology - Traiacetate Cellulose or TAC Polarized Lens feature a new lens technology formulated for superior visual and polarization clarity. They are hard coated to resist scratching and block out 99% of all harmful UV rays up to 400 nanometers. PC frame, but then reinforces it with our soft touch Armour Coating that allows for extreme comfort and feel, while reinforcing the PC frame Each frame also has the highest of quality hinges to withstand the punishment of an active outdoor lifestyle. Features: - Tac 1.5 Polarized Lenses - PC Frame with Armour Coating