Posture 2 - Aggressive: Forward pelvic rotation for athletes with a high degree of flexibility. Size Specific Curvature - Curvature of each saddle is designed specific to its width. Zone Density Padding - Multi-density padding is strategically placed for optimal comfort and performance. Hollow Titanium rails deliver strength without added weight. Carbon Reinforced Shell - Compliant carbon-fibre-reinforced shell strikes a balance between strength and light weight. inForm BioDynamics - Products designed to optimise your natural movement for sustained, higher performance.