The Cambium C15 Carved shares the same narrower shape as the existing Cambium C15, but with an ergonomic cut-out to provide relief from discomfort in the perineal area, experienced by some cyclists.
This “registered cutting, a sure preventive to all perenial pressure” is also to be found in the saddles of the Brooks Imperial line.
Made from vulcanised natural rubber and organic cotton top, combined with a die-cast aluminium structure and tubular steel rails. For performance, a distinct dampening effect is delivered by the classic Brooks “hammock” construction keeping the rider in unparalleled comfort mile after mile.
http://www.brooksengland.com/catalogue-and-shop/saddles/road+%26+mtb/Cambium+C15+Carved/