Fizik Aliante Carbon K:ium Twin Flex Black Road Saddle with Black Scuff Guards provides supreme comfort and support. The Twin Flex Technology has an area of lower density in the center of the saddle to keep your sensitive bits comfy. The exterior of the shell is a 35 gram multidirectional carbon fiber shell that surrounds a 15 gram bi-directional carbon and Kevlar weave interior "hammock." Additionally, the Alainte's profile is a more traditional "saddle shape" that dips in the middle for pressure relief. The rails are made of a material called K:ium, which is eight percent lighter than titanium. The K:ium rails have better vibration-absorption qualities and more corrosion resistance than titanium. Specs: Color - Black with black suede; Rail - K:ium; Padding - Twin Flex; Scuff Guards - Matte Black; ICS - yes; Weight - 239 grams; Length - 265mm; Width - 142mm.