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Highly absorbent and just the right size. Focus on the ride, not the sweat.
Class-leading aerodynamics is only the beginning. This jersey is engineered for all-day comfort with excellent moisture management, comfortable fit and three full-size pockets for cargo.
The ideal all-around jersey for endurance rides, offering comfort and convenience features, excellent moisture management, and Castelli's aerodynamic wizardry.
Created for the hottest days when aerodynamics still matter. This jersey allows ample airflow, is quick to dry, and blocks more than 90% of UV rays on your back. A great choice for long summer rides or hot lunchtime rides in the middle of summer — or just add a base layer and it becomes a three-season jersey.
Core riding performance in a jersey that delivers everything you need for any surface, with a neutral fit.
Made to keep your core warm while providing enough ventilation to keep you from overheating. Brushed fleece inside provides warmth. Stretch side panels keep it fitting perfectly.
GORE-TEX INFINIUM™ WINDSTOPPER® jacket ready for any adventure on the bike. This jacket will protect you from the rain while still being breathable. It's got a classic jacket cut with two zippered front pockets and a hood, giving it a casual look and making it the perfect jacket to go from the bike to the office to the café.
Speed top for full-distance racing, or even to use just for the bike leg for improved aero performance. Includes a fastener to attach to shorts.
As much speed and comfort as you can get in a traditional sleeveless tri top.
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.
Introducing the BTW Speed Suit Limited Edition, exclusively on our website.