OTG & 3-WAY CUSTOM FIT. Fit over your prescription eyeglasses and reading spectacles, protecting both eyes and eyewear. Adjustable temples make them the best work ppe glasses for both small and big heads. HIGH VISIBILITY, FOGLESS & UV385. Lenses were treated with a heavy duty antifog coating on both interior and exterior. Made of polycarbonate, they absorb ultraviolet rays to deliver the perfect vision both outdoor and indoor. DURABLE & COMFORTABLE. Frame is lightweight yet impact resistant to shield your eyes from both direct and peripheral hazards. Rubber grip at the tips prevent glasses from slipping off and silicone nose piece can be replaced and will not cause any discomfort. UBER-STYLISH. With their modern, fashionable construction, you can feel confident wearing them at work or for outdoor sports: nurse and medical lab, woodworking, construction, chemistry and science lab, carpentry, dental work, shooting, hunting, healthcare, and more. OSHA, ANSI, CE APPROVED QUALITY. Follow CE EN 166, EN 170 and ANSI ISEA Z87.1 international standards requirements.