Boll&eacute; Safety 253-SM-40073 Silium Safety Eyewear with Silver Metal + TPE Semi-Rimless Frame and Clear Lens Optimal fit and comfort frame with rubber nose pads and temple tips Close fitting high contour design (9 base), with distortion free viewing and superior optical quality 99.99 percent UVA and UVB light absorption Anti-fog/anti-scratch coated on both sides Nickel-free frame with non-conductive coating Silium eyewear features 2.2mm thick high impact polycarbonate lens, anti-fog/anti-scratch coated on both side 99.99-Percent UVA and UVB light absorption; optimal fit and comfort with non-slip temple tips Close fitting and high contour design for improved eye protection with distortion-free viewing and superior optical quality Nickel-free frame with a non-conductive coating providing extensive eye coverage for safety Available in silver metal frame with clear lens