We often get asked, what is the difference between goggles and masks. When I hear goggles, I think swim or ski goggles. But one of the major differences is that the goggle does not have a material that covers the nose. Another difference is that the swim goggle is designed to seal against the inter or outer area of the eyes. There are more differences like the buckle systems and the straps. We can get into the science, Boyles Law of Physics, on the size of the lens, but I will let Roy explain it more in his in-depth article on the Difference of Masks and Goggles.