Selle Italia WATT 3D Kit Carbon Superflow U3 3D Printed BlackAllows the triathlete to avoid possible friction during the push phase, combined with an enlarged nose for greater comfort without altering performance 10mm longer rails to allow a greater possibility of adapting the saddle to extreme aerodynamic positions Equipped with a layer of gel inside the padding that allows even more comfort and maintains performance even on the long distances Ti 316 7mm rail combines strength and affordability Fibra tek cover