S-Works Power ArcThe S Works Power Arc saddle expands on the success of our original S Works Power saddle, while featuring the same channel and length as the original. Featuring a FACT carbon fiber shell, rails and lightweight EVA padding for the perfect balance of weight, stiffness and comfort. If you're already a Power loyalist, this iteration features a curved Body Geometry shape that better contours to your body. What does this mean for your ride? It means that