Men's Clothing

Some triathletes choose long sleeves for the extra speed. Some for the comfort. Some for sun protection. This jersey gives you all three.

Our lightest and most breathable MILLE GT jersey, is engineered for long rides in the hottest conditions with a streamlined fit, frictionless raw-cut sleeves, and ultralight textiles borrowed from the Racing Series.

The core of the Racing Series, an all-new jersey engineered with trickledown technology for daily training and racing in hot conditions. The R S11 is defined by its ultralight, hyper-cooling AirCell textile and second-skin aerodynamics.

Versatile professional cycling jersey featuring Castelli's advanced technology.

Our iconic Spring Fall Jacket reworked, blending new, proprietary membrane protection with breathable thermal insulation. Perfectly tuned for variable cold, wet, and windy conditions as part of a layering system.

A long-distance endurance bib short, engineered to balance aerodynamics, compression, and comfort. The S11 generation is updated with less restriction at the waist and leg opening, increased vertical stability, an ultra-matte finish.

A versatile, midweight insulator for racing or high-intensity training in dry, cool conditions. A blend of thermal textiles maintains breathable warmth, and three pockets provide convenient storage.