Clear polycarbonate mono lens Indirect dual ventilation system 14 mm elasticated & adjustable cotton knit headband High quality polyvinyl chloride frame Ergonomic design Face contact area designed for comfort and seal Compatible with respiratory equipment Scratch resistant lens 120° lateral vision PRODUCT RATING EN 166 FCE 3, 4, 9, B CE DV-1,9, B COMPOSITION Polycarbonate Lens Vinyl Frame
