A saddle with proper deformability is provided. The saddle comprises a base, a pad, and a fastening device adapted to fasten the base and pad together. Therein, the materials of the pad comprise Ethylene-vinyl acetate (EVA). Thereby, the saddle of this invention is adapted to deform appropriately according to the buttocks and the crotches of a cyclist and to absorb the vibration that is experienced during the ride, so that the comfort of the saddle is greatly improved.