Only one rider gets to cross the finish line first in castellis race short lineup of course thats the free aero race the this castelli volo bib short was made to be a close runner up volo as in italian for im flying is meant to be the workhorse of race bib shorts its got outstanding fit castellis excellent 200 gram affinity lycra the updated new improved kiss air seat pad thats the choice of a number of their pro riders and the exceptional giro air leg gripper