Fizik Arione, Road Racing Saddle There are several variations of the Arione available, each sharing the proven, effective design with differences in the materials used & levels of padding, so there should be an Arione for every occasion, & every type of ride. The standard, & standard setting Arione is built to original race-winning specs with a carbon re-inforced nylon shell and durable suede & leather cover on top of lightweight rails formed from Fizik's specially developed Kium alloy for a fatigue resistant, strong & compliant ride. The long, sleek profile & wingflex performance design have made Fizik's Arione saddle a popular choice among pro racers & weekend enthusiasts world-wide.