Offering “Total System Protection,” Polars contemporary safety eyewear from U.S. Safety features 100-percent polycarbonate lenses that eliminate horizontal glare caused from sunlight reflecting off the surface of water, roads, snow, etc., greatly enhancing vision and reducing eyestrain. All Polars lenses have a scratch-resistant coating and provide 99.9-percent UV protection.U.S. Safety, Lenexa, KS.