These Boll IRI-s safety glasses offer customised comfort with a B-Flex nose bridge that uses memory foam to adapt to your face shape. Designed for those who need both eye protection and magnification, the lenses include a dioptre reading area, making them ideal for tasks requiring precise vision. Features and Benefits Flex 160 side arms and a B-Flex memory foam nose bridge ensure a perfect fit for any face shape TIPGRIP temples prevent slipping, keeping glasses secure Clear lenses provide excellent visibility in various work environments Dioptre reading assistance for close-up tasks. Protects eyes from low-energy impacts and UV exposure (99.9% protection), even in extreme temperatures ranging from -5C to +55C Comes with an adjustable neck cord for convenience and easy wear throughout the day