Castelli womens free aero shortsadorned with the prestigious rosso corsa logo the free aero short oozes italian quality every technology available to castelli has been put into this garment resulting in the ultimate fit comfort and performance this attention to detail allows you to perform to your maximum potential wind tunnel testing has helped castelli with the development of the vortex dimpled fabric used in the free aero combined with the giro leg band there is an improvement in air