Safety helmet with retractable eyewear technology and Dualswitch chinstrap system. Vistalens overspec offers impact protection and can be easily switched with face shield. Features anti-scratch resistance, anti-mist and UV protection. Ensures high optical clarity without distortion. Chamlon Cotton Sweatband 4-Point Suspension Harness Anti-Scratch Grade B Frame Impact Protection Optical Class: 1 99% UV Protection 100% HDPE Shell Construction Chamlon Cotton Sweatband 4-Point Suspension Harness Anti-Scratch Grade B Frame Impact Protection Optical Class: 1 99% UV Protection 100% HDPE Shell Construction