Ray-Ban is the sunglasses brand associated with the G-15 lens color developed for military use.
The G-15 lens is a gray-green lens designed to provide relatively natural color perception while reducing glare and bright-light intensity. The name refers to the lens’s green-gray appearance rather than to a sunglasses model.
Ray-Ban’s connection with military and aviation eyewear began with the Aviator, introduced in 1937 for pilots. The brand later became a major fashion label, but its early reputation was built on functional lenses and protective designs.
G-15 is sometimes mistaken for a polarization technology. It primarily describes a lens tint and optical treatment family; not every G-15 lens is necessarily polarized. Ray-Ban has used the color across several frame styles over time.