The Castelli Velocissimo IV bib shorts are enormously comfortable cycling shorts. A new anatomical design reduces the risk of irritation from seams, and thanks to the technology of the Premio shorts, elastic leg seals are unnecessary. In addition, the Velocissimo IV are equipped with the high-quality Kiss Air seat pad. This seat pad is so comfortable that the shorts' name - Velocissimo is Italian for very fast - seems to be true, because it seems as if time flies by. In short, with the Castelli Velocissimo IV bib shorts you can experience optimal comfort on your longest trips.