Ralph by Ralph Lauren RA4004 aviator model. This "feminine and glamorous" update to the classic pilot style features a double bridge and metal frames. Model Number: RA4004. Frame Details: Typically a metal frame with a gold-tone finish and cream or light horn-colored temple tips. Lens Characteristics: Often equipped with polarized, brown gradient lenses. Standard Sizing: 59mm lens width, 13mm bridge, and 130mm temple length.