The Bolle B809 Prescription Safety Glasses are both discreet and effective. Available in 2 sizes with and without side shields, these safety glasses feature adjustable reinforced temples and a non-slip bridge. Also features blue blocker lens technology that guarantees a great protection against harmful blue light of all kind. This technology provides a great durability as well as a protection against impact as rated by the EN166 standard. Plus, our safety glasses meet rigorous industry standards and are ANSI Z87-2+ approved for optimal protection. For more options check our Bolle Safety Glasses Collection.