Fully adjustable elastic band. Fits over most prescription glasses. Lens is coated to prevent fogging. Soft vinyl goggle body conforms to facial contours. Removable vent caps allow the user to remove when more ventilation is required or leave in place for unsurpassed chemical splash resistance. Passes D3: Droplet and Splash Test Passes D4: Dust Test Passes Ballistic MIL-PRF 32432 High Velocity Impact standards. Lens Treatment: H2MAX Anti-fog STANDARDS & CERTIFICATIONS ANSI/ISEA Z87.1-2020 + High Impact CE/UKCA EN 176