3M Over-the-Glass Eyewear are designed to be worn over most prescription eyewear. Designed with polycarbonate lenses - the strongest, most impact-resistant eyewear lens material available. 3M Over-the-Glass Eyewear are a great choice in eye protection for both the professional and the DIYer who wear prescription eyewear. - Built-in side shields for front and side protection - Impact-resistant lenses - Clear frame with clear lenses - Ideal for indoor use - Wash lenses in warm water and let air dry or dry with soft cloth - Provides 99.9% UV protection - Performance tested to Australian standards AS/NZS 1337