Boll safety iri s safety eye shield with platinum anti scratch and anti fog coating the iri s has been designed to universally fit all face shapes due to its ultra modular and infinitely adaptable features thanks to the unique b flex shape memory bridge the b flex bridge is height and width adjustable and the iri s also has pivoting non slip ergonomic temples optical class 1 polycarbonate lenses with platinum anti scratch and anti fog lenses they are supplied with sports cord en standards en 1