These Bollé IRI-S Safety Glasses feature a bifocal reading area They have been designed to fit all face shapes Ultra-modular with infinitely adaptable features The unique B-Flex shape memory bridge is height and width adjustable They also feature pivoting non-slip ergonomic temples Optical class 1 polycarbonate lenses with PLATINUM® anti-scratch and anti-fog lenses They are supplied with sports cord Available in a variety of reading powers EN Standards EN 166170172 1FT