Strike King Plus Gray and Black Semi Rimless Frame Sunglasses with Red Revo Mirror Polarized Lenses Block 100% of harmful ultraviolet light, reduce eye strain and remove glare from the water Strike King has been a leader in polarized sunglasses for fishermen Models include lenses made with APT Advanced Polarization Technology Greater visual acuity, more rigid lens & smooth coating for greater scratch resistance & better optical performance vs. traditional plastic lenses Polarization in fishermen's sunglasses is a must and a benefit for most all other uses and all Strike King models are polarized