The s works phenom carbon mtb saddle is an ultra lightweight mountiainbike saddle from specialized using a fact carbon fibre shell is flex tuned for racing stiffness and a rounded anti snag tail with the perfect amount of padding for all day rides the patented body geometry design is lab tested to assure blood flow to sensitive arteries the padding is superlight eva for comfort and support on longer rides and low friction panels on the nose and tail improve pedalling efficiency and rider mobi