The new SMC offers even more seating comfort than the best-selling SMC4 and is a true problem solver. The new SMC will replace the world proven SMC4 for both Women and Men. MTB and gender optimized contact areas for the sit bones, combined with freedom of movement, make this a saddle ready to take on the world.Shell: Nylon Composite Rails: CroMo Cover: Microfibre Padding: Orthopaedic Comfort FoamWeight: 280g (S/M), 305g (M/L)