CCS feature allows the corded earplugs to dual as a lanyard. Meets the requirements of CSA Z94.3-2007 and the high impact requirements of ANSI Z87.1-2003. Contoured temples fit comfortably and snugly without pressure points but also without any looseness that causes shifting. The impact-resistant polycarbonate lens absorbs 99.9% UV rays. Eyewear with a Corded Earplug Control System (CCS). Anti-fog polycarbonate lens for excellent eye coverage and a comfortable fit.