Comfort Saddle. Designed for the Mountain bike rider. Racing Style Color DesignSoft， breathable and wear-resistant and durableEffectively prevent pain feelingSuitable for all types of seatpost. Very comfortable for long distance riding， such as on and off duty riding， trip riding.Materials: Synthetic Leather . Rails: SteelColor: Black+White， Blacek+Green， Black+Red， Black+BlueSize : 27(Length) X 15(Width)cm