Featuresr tac polarized lens 100 uv40 protection coating blocks 100 harmful uva uvb rays and eliminates reflected light and scattered light and protect eyes perfectlyr tac lens includes 7 layers the 1st layer is polarized layer the 2nd and 3rd layers are adhesive layers to enable its durability the 4th and 5th layers are uv protection layers to absorb uv light the 6th and 7th layers are shatterproof layersr ultra light durable and flexible polycarbonate lens and tr flexible frames a