Off The Back
Save up to 50% on Castelli's clothing designed for every need and situation.
Innovative patterning and fabrics to create an extremely comfortable and almost seamless swim skin for best swim performance in non-wetsuit races.
Innovative fabrics, patterning, and construction make the fastest short-distance race suit.
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.
Meant to be the most comfortable and lightweight triathlon short for training and racing. Engineered for ultimate long-distance comfort, support, speed, and durability.
Thermoflex is luxuriously warm and stretchy in dry conditions but is not intended for wet conditions.
Thermoflex is luxuriously warm and stretchy in dry conditions but is not intended for wet conditions.
Grip and protection in a minimalist glove for riders who don’t like gloves.
Lightweight for hot days.
Designed for cyclocross, with extreme palm grip and a secure Velcro closure, it's also good for cool-weather riding when a summer glove isn't quite enough.
Grip and hand protection without bulk. Great for gravel, MTB or cyclocross. Mesh back and perforated palm to keep your hands cool.
The best winter bibtight 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 seat pad for comfort on the longest days in the saddle.
Made to be the perfect vest. GORE-TEX INFINIUM™ WINDSTOPPER® wind and water protection on the front, and a breathable nanotechnology water-repellent back.
This beanie is made for every off-bike purpose for conditions you want a bit of extra protection for your head.
The Soudal Quick-Step cycling jersey with a more relaxed fit.
Lightweight and packable wind shell that fits close to body with a stretch breathable back and high collar.
An all-around protective bootie designed for wet conditions. The stretch fit and fleece lining make it a warm, comfortable bootie in dry conditions, while it's made for maximum protection in wet conditions as well.
Neoprene protection. A thicker neoprene and taller cuff provide extra warmth for racing and training in wet, cold weather.
Our most popular jersey, thanks to the warmth and excellent moisture management of our Warmer brushed-fleece fabric; the clean, purposeful design; and the large reflectivity panels on the chest and below the pockets on the back.