By studying aerodynamics and with feedback from pro riders, Castelli designed the Aero Race 6. 0 FZ Jersey, finding the perfect fabric and seam placement combo for optimal moisture management and least resistance. The 3D mesh back panel lets building heat easily escape, while the performance...

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Designed for climbing on the hottest days, the Castelli Climber's 3. 0 SL 2 Jersey maximizes airflow to keep us cool when the sun shines directly down on us. On the back of the jersey is StradaPro 3D fabric which is engineered to block over 90% of UV rays, while the Flusso 3D fabric on the front...

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Nothing ruins a ride faster than catching a chill. Except maybe a flat tire. Or slushy conditions. Well OK, there are lots of things that rival catching a chill, but we still don't like it. So as the seasons change, we start thinking along the lines of layers, and this inevitably leads us to the...

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From amateur riders to tour pros, the Castelli Pro Mesh 2. 0 Short-Sleeve Shirt keeps us all comfortable as we put in our daily miles. Built for cool to mild temperatures, this mesh baselayer provides superior moisture management to keep us focused on the road ahead.

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Winter's approach may lead some to head indoors to the refuge of the trainer, but you know that the freedom of riding a bike is best with wind in your face, even if that wind is rather cold. Castelli's long been at the head of cold weather gear, and the Prosecco Tech Long-Sleeve Base Layer keeps...

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When the temperatures drop but riding outside is a must, we throw on the Castelli Raffica Long-Sleeve Jersey and hit the road. The brushed fleece interior delivers unmatched warmth, with warmer fabric on the body and sleeves to keep key areas extra protected.

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When Castelli engineered the first aero jersey for road racing back in 2006, everyone thought we were crazy, even a few of the pro riders. Back then, aero was only for TTs. Performance clothing meant moisture management. And you could win the Tour de France with a baggy jersey that was little...

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With its simple style and relaxed cut, the Castelli Trail Tech 2 Long-Sleeve T-Shirt is a versatile jersey for all of our trail adventures. The 100% polyester mesh provides excellent airflow and moisture wicking to keep us cool and dry on hot weather rides so that we can stay out longer.

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The Endura Pro SL II is a stylish and functional jersey that helps us stay warm on chill spring mornings. The recycled nylon is a thermal heat-trapping layer that keeps us warm before and after hard interval efforts in the early season. We primarily wear this on the road, but it's also great to...

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The GOREWEAR Base Layer Thermo Long Sleeve Shirt provides the next-to-skin warmth we need during our next hike, mountain bike ride, or day at the ski resort. This base layer is constructed with polypropylene and elastane, a slim fit that follows the body shape, and fewer seams to keep chafing to...

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