The Castelli Alpha 18 Sock keeps our feet and ankles warm and protected as we continue to put miles in on our bikes during the cold winter. Its merino wool blend and PrimaLoft insulation keep our feet from freezing while also ensuring we don't overheat, thanks to its breathable and...

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Winter-weight merino wool blendArch-support bandNylon heel and toe for durability15 cm height

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With its thin construction and Merino wool blended construction, the Castelli Bandito Wool 18 Sock delivers unmatched warmth and durability with the feel of a summer sock.

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With a high collar and sleeves that cover the entire wrist, the Castelli Bandito Wool Long-Sleeve Baselayer has you covered for riding in cold weather. With the superior warmth of Merino wool and the excellent moisture-wicking properties of recycled polyester, you are sure to feel warm, protected...

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Short-sleeve lightweight merino wool base layer to wear under a Gabba or jersey for cool rides.

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The Castelli Bandito Wool Sleeveless Baselayer keeps our core warm during those chilly but not-too-cold rides where a long-sleeve is too much.

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With a midfoot support band and a reinforced heel and toe, we pull on the Castelli Blocco 15 Sock for extra support and comfort during our ride.

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We like a sock that keeps our feet warm during cold rides without creating that gross, sweaty feeling we all hate. Constructed with a merino wool blend created specifically for cold-weather riding, the Distanza 20 Sock ensures the perfect level of warmth and comfort with its moisture-wicking...

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For enduring strenuous efforts and for cyclists who never last long without a ride, the Endurance 15 Sock is among our top picks thanks to its lightweight cushioning that offers enhanced foot support. Alongside the underfoot cushioning, Castelli reinforced the toe and heel for durability, making...

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Whether we are rocking our race shoes or our more comfortable training kicks we use the Castelli Entrata 13 Sock underneath. These breathable and lightweight synthetic socks wick sweat off of our feet so we can keep the pedal to the metal.

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