Triathlon
Optimized for speed. Built for comfort. Made to break your PR.
Revolutionizing our iconic Free Sanremo Suit. Groundbreaking aero improvements due to the engineered ribbed fabric on the sleeves.
A true evolution of our best-selling sleeveless suit for longer distances.
Top short-sleeve suit for your first triathlon experience or budget-minded athletes.
Short-sleeve top for all distances, with aerodynamics from our Free Sanremo 3 Short Sleeve suit.
Traditional sleeveless triathlon top for training and racing.
Triathlon short for training and racing, for all distances.
Drill short for training.
Wind tunnel tested calf sleeves to complete your aero-optimized race-day setup.
Aero calf sleeves for pro athletes and those chasing their personal best.
The fastest long-distance race suit Castelli has ever made. The sleeve texture saves minutes on the bike leg, while the overall suit excels in both speed and comfort. Record holder for fastest-ever Kona bike split with Cam Wurf, 2018.
Created for sprint and Olympic-distance events, bringing speed and comfort along with durability to last your full race season.
Innovative fabrics, patterning, and construction make the fastest short-distance race suit.
Innovative patterning and fabrics to create an extremely comfortable and almost seamless swim skin for best swim performance in non-wetsuit races.