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Castelli is dedicated to making the fastest clothing in the world. 

We know that race results come through relentless attention to detail. So we approach every garment questioning how we can make it faster. We do the basic research, then we test the concepts internally, then we test them with Team Sky and in the wind tunnel. Only then are they available in Castelli’s Servizio Corse custom program. If you’re serious about your cycling, and serious enough to want to turn those many thousands of kilometers of training into race results, this is your clothing.