Castelli made the Endurance to handle your longest rides, and they upgrade it with color-matched Giro++ grippers and the new Progetto X2 pad. Action fabric with ProSecco treatment throughout the shorts means that it's not only extremely comfortable but also extremely durable.
Durable action micro fabric is form fitting
Side inserts in energia micro fabric improve form fit
Progetto X2 patented seat pad for comfort for long days in the saddle