Fully adjustable elastic band. Fits over prescription glasses. Lens is coated to prevent fogging. 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 MIL-PRF 32432 High Velocity Impact Standards.