Uvex Astrospec OTG 3001 is the same lightweight: panoramic lens protective eyewear as the Uvex Astrospec 3000® but with an attractive OTG (over the glasses) styling. The Uvex Astrospec OTG 3001 fits comfortably over most prescription eyewear. It features an economical lens replacement system. A lifetime frame guarantee in included.Features & Benefits: PC unilens: Uvextreme AF and Ultra-dura HC Lightweight: adjustable lens inclination and temple length Available in many lens tints including SCT Lifetime frame guarantee Economical lens replacement system Made in the USA Certifications: ANSI Z87.1+ 2015 Tested by Honeywell to meet the requirements of the CSA Z94.3 standard CA 18:827 - Brazil Polycarbonate Lens Coatings available in: Ultra-dura hardcoat coating Uvextreme anti-fog coating Fit: Lightweight: unilens offers panoramic vision Adjustable lens inclination and temple length Available in Duoflex temple styles Protection: Certified to meet ANSI+ 2015 and tested by Honeywell to meet the requirements of the CSA Z94.3 standard U6 grade -level lens filtering 99.9% of UVB/UVA protection for far and near UV transmittance Available in wide range of lens tints to address the needs of virtually any work environment: including SCT