Military Armed Forces Mens Black ONYX Polarized Sunglasses polarized X3 (HD) POLARIZATION: The lenses come with our own X3 High-Definition Polarized lens technology. The polarization blocks unwanted glare from pavement, water, ice and other reflective surfaces. UV400 PROTECTION: 100% UVa, UVb & UVc harmful light protection. These are the suns rays known to cause permanent eye damage and cataracts. IR REDUCTION: IR or Infra-red rays cause eye fatigue and dryness. Our lenses dramatically reduce these rays for longer lasting comfort. PCG5 FRAME MATERIAL: Our Polycarbonate Grade 5 materials are superior to cheap alternative brands. The frames are injection moulded and hand finished. HR5 NOSE PADS & EARSOCKS: Our frames are equipped with HR4 Hydrophobic 4th generation nose pads and ear socks for added comfort and increased grip during perspiration.