BOLLE IRI-S BLACK TEMPLES & CLEAR ANTI-FOG LENS BIFOCAL SAFETY GLASSES DIOPTERS: 1.5 - 3.0 FREE SHIPPING!!! IRI-S Series Reader Safety Glasses from Bolle Safety are engineered to adapt to any face. The B-Flex nose bridge is fully adjustable for height, depth, and width. Pivoting ergonomic temples let you adjust the enveloping frame to embrace the specific face shape. Permanent Platinum® coating on both sides of the lens offers high resistance to scratching and aggressive chemicals and helps delay fogging.