On frames
The model code is composed by the first 2 letters + 4 digits (e.g: RB3183) imprinted inside the left temple of a standard frame.
On the website
The model code is reported in any product detail page. It is composed by the first 2 letters + 4 digits (e.g: RB3183) of the code displayed in the image above.
Kristin Optics
Kristin gets a contemporary update with a two-tone bio-based* frame.
*Bio-based acetate frames having 57% BIO-BASED carbon content and bio-based nylon lenses having 41% BIO-BASED carbon content (available only for classic sun lenses).