An all day mountain bike saddle, the Phenom Expert features a patented Body Geometry design combined with light EVA padding to provide a comfortable perch that keeps blood flowing in vital areas. Stiff, Carbon reinforced shell conforms to your body to offer an additional level of comfort while the Titanium rails remove vibrations before they reach you, helping you ride faster for longer. The Specialized Phenom Expert Saddle also features mountain bike specific features including scuff guards for enhanced durability & a anti-snag tail for freedom of movement.