Posture 3 Performance pelvic rotation for a balance of comfort and efficiency. Suspended, hollow Ti rails increase compliance for ultimate comfort. Recessed saddle cavity provides contour relief zone and eases pressure on soft tissue. Size Specific Curvature ensures each saddle is designed specific to its width. Carbon fiber-reinforced shell strikes a balance between strength and light weight. Strategically-placed, multi-density padding for optimal comfort and performance. inForm BioDynamic products optimize your natural movement for sustained, higher performance.