As a standard, all Zerpico eyewear comes with European Conforming (CE) UV 400 (100% UVA/UVB) lenses with infused Polarizing filters. Our Tac Lenses are chosen because of their superior optical clarity, impact resistance and ability to eliminate visible glare (both atmospheric and reflective) which improves sharpness and makes colors more vibrant. Our Carbon Fiber comes with 7 layers and all other with 5.