Check the listing for details. Ergon SC Core Prime Mens Saddle, Small/Medium. Color: Black, Condition: New. Listed at 144.95 USD. BRAND NEW Ergon SC Core Prime Mens Saddle, Small/Medium. FREE SHIPPING to the continental US only. Ergon SC Core prime saddle is adapted for city and comfort touring bikes. This effect of putting far less strain on your back has been awarded with the seal of quality of “Campaign for Healthier Backs“. Ergon Ergonomics Laboratory has worked hard to optimize the saddle’s surface design for the anatomical requirements of a very upright riding position and for both men and women. The pronounced relief channel further assists in preventing feelings of numbness and related seating issues.Soft, orthopedic comfort foam covered with a heavy-duty microfibre surfaceThe heart of the relief system. The core supports the natural movement of the hips and dampens the effect of constant bumps