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