763-S39610C Features: -Futuristic, low profile design for chemical splash and impact.-Toric lens provides superior optics and peripheral vision.-Rx insert available.-Unsurpassed comfort.-Easiest lens replacement system available.-Quick adjust headband.-Lens Material: Polycarbonate.-Strap Material: Neoprene.-Ventilation: Indirect Vent.-Usage: Chemicals, Impact.-Testing and approvals:.-ANSI.-CSA.-CE.