Super ergonomic, flat nose saddle with a short slender nose and wide tail for improved power transfer in or out of the saddle Space models feature a wider base with extra 7mm padding for improved comfort and those with greater space between the ischial bones The wide anatomical channel �PAS� runs through the saddle along its central axis, reduces the contact and compression of soft tissues and tendons, eliminating numbness and helping to prevents prostate problems T4.0 rail is a new redesigned chromoly rail with reduced weight while maintaining the same strength Carbon injection monocoque base Road/MTB T4.0 Light Foam Microfiber Grey/Black 245mmx153mm 228g PAS Carbon Injection UnisexUPC/EAN/GTIN: 4716112780230