Please remember that all FOG3 lenses afford you U.V protection regardless of lens category.
Lens categories are graded/classified on a scale of 0-4 Category 0 being translucent (80-100% light transmission) and category 4 being the darkest tint. (3-8% light transmission)
Category 0 is generally used for night or low light situations. The light transmission is between 100 – 80%. Category 0 eyewear will not reduce glare from sunlight. This Category is found in both protective eyewear and also fashion.
To see our full range of Category 0 Clear UV400 protective eyewear please Click Here.
Category 1 is generally used for night or low light situations. The light transmission is between 80-43%. Category 1 eyewear will not reduce glare from sunlight. This Category is found in both protective eyewear and also fashion.
To see our full range of Category 1 UV400 protective eyewear please Click Here.
Category 2 is generally used for less sunny days. The light transmission is between 43 and 18%. Category 2 eyewear will not cope with the glare on a bright sunny day. This Category is found in both protective eyewear and also fashion.
Category 3 is generally used for bright and sunny conditions. The light transmission is between18-8%. Category 3 eyewear should significantly reduce glare on a sunny day. Used in bright and sunny conditions they are ideal for driving and general wear.
To see our full range of Category 3 UV400 protective eyewear please Click Here.
Category 4 is only for use at high altitudes where there are extremely high levels of U.V and extremely bright conditions. The light transmission is between 8-3%. This category should not be used unless you are at high altitude and certainly not for general (including driving) or industrial applications.