Fully adjustable elastic band. Fits over prescription glasses. Lens is coated to prevent fogging. Dual pane lens consists of polycarbonate lens on the outer side with acetate anti-fog lens on inner side. Dual pane lens ensures ultimate anti-fog performance. Scratch resistant polycarbonate lens provides 99% UVA/B/C protection. Soft vinyl goggle body conforms to facial contours. Goggle provides protection against dust and chemical splash. 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 ? provides protection from droplets and splashes. Passes MIL-PRF 32432 High Velocity Impact Standards.