Off The Back
Save up to 50% on Castelli's clothing designed for every need and situation.
Made to keep your core warm while providing enough ventilation to keep you from overheating. Brushed fleece inside for warmth. Stretch side panels keep it fitting perfectly.
Aerodynamics and comfort.
Light. Dry. Fast.
Your new favorite jersey.
New fit. Extra comfort.
This jacket uses Castelli's Ristretto Technology, which restricts the amount of airflow while allowing just enough to keep you drier on the inside. The perfect jacket to keep you drier and warmer so you can stay out on the bike longer and more comfortably.
As much speed and comfort as you can get in a traditional sleeveless tri top.
Innovative patterning and fabrics to create an extremely comfortable and almost seamless swim skin for best swim performance in non-wetsuit races.
Made from 100% post-consumer polyester from recycled plastic bottles, this sock provides a nice amount of warmth without adding bulk. A great sock for the fall or early spring.
Meant to be the most comfortable and lightweight triathlon short for training and racing. Engineered for ultimate long-distance comfort, support, speed, and durability.
