The result of extensive anatomic study of ladies' saddles Gel Flow features gel around the anatomic central relief area for maximum comfort Shock absorbing technology is used between the rails and the shell which dampens vibration and helps absorb road shock Leather top, perforated leather gel area covers Vanox or Manganese 7mm rail combines strength and affordability L1: “Wide” intertrochanteric distance and low pelvic rotation L2: “Wide” intertrochanteric distance and average pelvic rotation (Flow saddles)