Performance Posture 3 for pelvic rotation with a balance of comfort and efficiency. The unique suspended rail construction increases compliance for ultimate comfort. Strategically placed, multi-density padding for optimal comfort and performance. The recessed saddle cavity provides a contour relief zone and eases pressure on soft tissue. Size-Specific Curvature ensures that each saddle is designed specific to its width. The carbon fibre-reinforced shell strikes a balance between strength and a light weight. inForm BioDynamic products optimise your natural movement for sustained, higher performance.