DON'T TAKE OUR WORD FOR IT Internal testing by the German Triathlon Federation (DTU) shows that this is the fastest swimming tri suit they've ever tested. Then Castelli adds the aero speed on the bike and run. You'll get to the finish line faster. The secret is in Castelli's unique engineered...

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Evolution of the record-breaking PR Speed Suit. Premio-based short portion for exceptional comfort and improved aerodynamics, especially in crosswind conditions. CFD and in-depth wind tunnel testing create the fastest triathlon racing suit, optimized for high speeds. When starting from a suit...

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