- Short and compact ergonomic saddle shape complements modern road bike geometry - Larger relief channel with graded mid-saddle contours - Gentle inner thigh contours improve leg mobility with reduced snagging on saddle nose - Extra support and relief in an upright endurance riding position - Full focus on preventing pressure, pain and numbness - SRS Pro Carbon: Carbon composite shell with Reactive Performance foam - SRS Pro: Carbon composite shell with Reactive Performance foam - SRS Comp: Nylon composite shell with orthopedic comfort foam - Recommended sizing for sit bone width: S/M 9-12cm, M/L 12-16cm