- Ergonomic MTB touring saddle designed to effortlessly follow pelvic movements, reducing pressure on sit bones - BASF Infinergy closed cell particle foam core and Orthopedic AirCell Foam padding absorbs road shock and reduces stress on lower back - Floating TwinShell design dampens shock before it reaches lower back - Rearward positioned and anatomically adapted pressure relief channel prevents discomfort and numbness - Thicker and softer padding than SM models - Nylon composite shell - Recommended sizing for sit bone width: S/M 9-12cm, M/L 12-16cm