Off The Back
Save on top styles from past seasons.
The warmest jersey for Unlimited riding, with all the performance you expect and need.
The best winter tight for most of your winter riding. With a focus on comfort, we've used warm and soft Thermoflex fabric throughout, with carefully placed seams to minimize irritation, and the Progetto X2 Air Seamless Donna seat pad for comfort on the longest days in the saddle.
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.
The sleeveless version of Castelli's Free Sanremo suit, with meticulously considered details that make a difference on race day.
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.
Meant to be the most comfortable and lightweight triathlon short for training and racing. Engineered for ultimate long-distance comfort, support, speed, and durability.
Ultimate aero accessory to cover shoes and calves for reduced drag.
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.
This lightweight head thingy is the perfect weight to keep the chill out on those early fall rides or to provide a little added protection from the sun's rays.
The Fly LS W Jersey is a lightweight thermal long-sleeve jersey for those days when it's just a bit chilly.
Castelli's entry-level short still needs to be an amazing short in order to carry the scorpion logo. Comfort from quality fabrics, our KISS Air2 Donna seat pad and anatomic construction are brought together with an overall focus on durability.
Premium fabrics, a flattering cut, drop-tail bib straps, and our everyday-comfort KISS Air2 Donna seat pad make this short right for everything but the longest rides.
Custom
Custom
Equally at home on tarmac or gravel, the Unlimited Cargo Bibshort knows no limits. This cargo-pocket short is ready for your next adventure.
