Goggle incorporated with removable shield provides full face protection - The shield with ratchet allows user to open or close in 3 positions for adjustment; 4 ventilation holes provide propriate airflow - The polycarbonate shield conforms to the face offering increased impact ...Goggle incorporated with removable shield provides full face protection - The shield with ratchet allows user to open or close in 3 positions for adjustment; 4 ventilation holes provide propriate airflow - The polycarbonate shield conforms to the face offering increased impact & dust protection - Indirect-vent frame provides protection against splash and dust - Soft vinyl goggle body conforms to facial contours for a very comfortable fit - High Impact resistance against flying particles - Optically correct polycarbonate lens - Fits over prescription glasses - Fully adjustable elastic band - Polycarbonate lenses filter out more than 99.9% of harmful UV radiation - GG504TSHIELDIr3* (Anti-Fog) Capstone face shield with IR3 lens goggle - GG504TSHIELDIr5* (Anti-Fog) Capstone faceshield with IR5 lens goggle - The goggle for GG504TSHIELDIR3 and GG504TSHIELDIR5 contains IR dye - Due to the nature of the vented holes, the shield is only green tinted and does not contain the IR resin - Exceeds ANSI Z87.1 High Impact Requirements;*CE EN166 Certified;*Exceeds CAN/CSA Z94.3-07 Standards