Description The Lincoln Electric Safety Brazing glasses help protect against glare and UV. The shade 5.0 IR flips up to provide clear safety glasses underneath for quickly inspecting work without having to remove the glasses. Glasses are 1 size fits all.Comfortable lightweight frame makes these glasses perfect for everyday useFlip feature of these glasses offer 2 different optionsDark lens color is 5.0 IRGlasses provide UV-A, B, C protection