An exceptionally light base layer that manages moisture and controls odor beneath second-skin cold-weather layers or as a standalone top during indoor training.

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The Equipe RS Winter Mid Layer continues Assos's pedigree of kitting cyclists for the harshest conditions. Made from their thickest OSMOS fabric, a brushed-back fleece, this long sleeve keeps heat close to the skin to warm against the bitter cold. The race fit and raw-hem design layer easily...

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If you have a keen eye, you'll have noticed the lines running down the arms of our pro riders when they race TTs. These aero ribs are our Bolero sleeves. The ribs create aerodynamic trip strips, making our Aero Jerseys and San Remo Speedsuits even faster. We've incorporated this short-sleeve...

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The seasons never slow you down, and your kit shouldn't either. That's why Castelli designed the Core Seamless Short-Sleeve Base Layer to keep you warm and dry all year long. The reimagined fabric blend repels moisture so you won't feel like a wet sponge, and the seamless construction has our...

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When there's a bite in the air, we kit up with the Flanders 2 Warm Long-Sleeve Base Layer. This top's silky warmth stops the chill from reaching our bones, while its mesh underarms and wicking prowess make sure we don't overheat.

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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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Cold sweat that remains on the skin during high-speed descents in late-fall and winter can immediately take the impetus out of pursuing further base miles, if not leave you shivering for some time. Castelli's Prosecco Tech Long-Sleeve Base Layer is a discreet and useful tool at managing...

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The short-sleeve version of Castelli's Prosecco Tech Base Layer line follows the layout of its longer-sleeved sibling and uses a simple blend of fabrics to elevate your riding comfort in cool conditions. The short-sleeve Tech warms the core on rides from 50-68 degrees F using a proprietary...

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As the snow clears off the street, the air is still crisp and cool, so we layer up with the BaaBaa Blend Long-Sleeve Baselayer. Its slim fit can be worn comfortably over or under our thermal bibs, and its technical composition keeps us comfortable before, during, and after our ride. Ultra-soft...

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A quality base layer has one job only: moisture wicking. The Sport Long Sleeve Top keeps our skin dry for long off-season rides in chilly weather. Giordana is best-known and best-loved for bridging the gap between pro-quality construction & materials and reasonable pricing. Their base layers are...

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