High-performance road saddle with more padding than the RXL for a more forgiving rideinForm Science of Comfort design based on pressure mapping and 3D motion capture dataAvailable in three different, gender-specific widths for proper fit and supportSize Specific Curvature supports the skeletal structure in a way that's optimized for a slightly more upright yet still performance-oriented riding position, resulting in greater comfort and proper blood flowGender-specific Contour Relief Zone (CRZ) gives added pressure relief to sensitive soft tissueZone Density foam provides superior cushioning without interfering with proper skeletal supportSaddle shape is optimized for road riding, featuring a narrower nose than the Evoke and a rear notch to shave precious grams.Carbon fiber reinforced nylon base with hollow titanium railsApprox Weight 222gS 128mmM 138mmL 148mm