These Lightening T6500 Series safety glasses have high base panoramic lens for a wide unobstructed field of view. The frame is made of new Elasto LT chemical resistant material. Two Flexi-Fit soft nose-pieces (regular and narrow) and new Soft-Touch comfort pads provide for comfort and adaptability. Self-adjusting temples insure a secure yet comfortable fit. The lenses are protected with North’s exclusive4A Coating: Anti-Fog, Anti-Scratch, Anti-UV99.9%, Anti-Static. Meets and/or exceeds ANSI Z87.1and CSA Z94.3 requirements.