Castelli volo bibshortcastellis volo bibshorts are the workhorse of race shorts and second behind their no1 bibshorts the free aero race but its a very close second with excellent 200g affinity lycra an updated kiss air seat pad which is the no1 choice with a number of pro riders and the exceptional giro air leg grippers these volo bibshorts offer an exceptional fit comfort and breathabilitythese bibshorts are further enhanced by the flatlock stitching which prevents chafing the mesh