The fizik antares r1 saddle features a unique design with an increased width and slight curvature of the original antares shape designed for lightweight stiffness that promotes your comfort and offers support and freedom of movement in the riding position this fizik road saddle has been designed for the lsquochameleonrsquo medium spine shape and has been ergonomically structured to enhance posture and performance the carbon thermoplastic composite shell is lightweight durable and cover