✓UV400 PROTECTION-Lenses block 99% or 100% of UVB and UVA rays UV 400 indicates an eye protection item that has been optimized to prevent eye exposure to both UVA and UVB radiation. One of the biggest differences between UV 400 protected items as compared to other items that protect against the sun’s radiation is the fact that UV 400 protected items are capable of blocking light rays as small as 400 nanometers. This means that anywhere from 99 to 100 percent of the sun’s harmful radiation is kept away from the eyes, which can make a big difference in eye protection.
TAC POLARIZED LENS- 100% UV400 protection coating, blocks 100% harmful UVA & UVB Rays. Restore true color, eliminate reflected light and scattered light，make the scenery more clear and soft and protect eyes perfectly. TAC lens includes 7 layers. The 1st layer is polarization layer. The 2nd and 3rd layers are adhesive layers to enable durability. The 4th and 5th layers are UV protection layers to absorb UV light. The 6th and 7th layers are shatterproof layers.