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A/C Cycling Cap

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The Castelli A/C Cycling Cap is designed for hot summer riding, when the temperature just keeps climbing but you still want to get out on two wheels. Featuring a well-ventilated mesh construction, the A/C provides moisture-wicking comfort to ensure you always have a cool head.


  • Highly ventilated open-cell mesh construction.
  • One size fits all design.
  • Claimed weight: 40 grams.