This is the 11S Series protective eyewear clear anti fog lenses. Flexible soft and anti-slip TPR temples tips, adjustable and removable headband and it is made with 100% polycarbonate lens and 9 curved that offers tight fitting and full eye coverage protection. It also includes a soft and anti-slip TPR nose pad. It comes with a removable protective foam gasket for dust protection and flying particulates. It is 2 in 1 design. It meets EN 166, ANSI Z87.1 standard and has CE certification.