Ultra-light, high-performance MTB saddle offering firm support for the weight-conscious riderinForm Science of Comfort design based on pressure mapping and 3D motion capture data, available in three widths for proper fit and supportSize Specific Curvature supports the skeletal structure in a way that's optimized for a performance-oriented riding position, resulting in greater comfort and proper blood flowGender-specific Contour Relief Zone (CRZ) gives added pressure relief to sensitive soft tissueSaddle shape is optimized for off-road riding, featuring a narrow rear profile that makes it easier to get off and on the back of the saddle and a wider nose that helps you "steer" through technical terrain using the inside of your thighsSuper-light Zone Density foam provides superior cushioning without interfering with proper skeletal supportCarbon fiber-reinforced nylon base with oversized carbon rails keeps weight to an absolute minimumS- 128mmM-138mmL -148mm