Brooks is finally straying from their 130 plus year history making iconic leather bike saddles. The Cambium C17 features a fabric made from flexible natural rubber and organic cotton. We are told that the saddle is completely water proof, very comfortable with no break in period, and will be very long lasting. Aesthetically, aside from the new technical fabric, the saddle retains the looks and shape of the Brooks saddle of old. See and learn more here.