Castelli velocissimo bibshorts the velocissimo isnt designed as a race short but that doesnt mean it doesnt perform as one affinity fabric giro 3 leg bands and a kiss air seat pad all with castellis signature italian fit and styling deliver a garment that lives up to its name velocissimo or fastcastellis affinity fabric is anatomically cut to provide exceptional fit and comfort sublimated giro 3 leg grippers not only look great but grip the leg securely without rolling or riding