Comfortable and versatile featuring an inclinable lens and thin adjustable temples the 3mtrade 2800 over spectacles are designed to fit over most prescription spectacles with minimal interference very lightweight for the category 38g they are available in 2 lens options including shade 5 for gas welding features strong polycarbonate lens with anti scratch coating for durability adjustable length temples 4 positions for wearer comfort and optimal fit inclinable lens for easy adjus