The Scan Flexi Spectacles provide protection against low energy, high-speed impacts. The wraparound single piece lens design gives maximum peripheral vision. These ultra-lightweight glasses have many great features, including super flexible arms and a soft nose bridge for user comfort and have a UV, scratch and impact-resistant lens with an anti-fog coating. The pack contains one pair of clear lens glasses for general indoor applications and a smoke lens for outdoor protection against excessive glare. Conforms to EN 166:1F - withstands low energy, high-speed impacts up to 45m/s (100mph) and EN 170.