How to choose the ski goggles

How to choose the ski goggles? It should be choosed as far as possible complete close type ski lens, lens of this kind of ski resembles diving lens on exterior, but do not buckle nose inside. The outer frame is made of soft plastic and can be close to the face to prevent wind. The mirror surface is made of colored material coated with anti-fog and anti-ultraviolet coating. This material is very soft and distorts with force without breaking. In order to ensure that the mirror surface will not cause damage to the face when it is hit.