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Engineered for summer cycling, the Castelli A/C 18 Sock delivers ultralight breathability when temperatures soar. The nylon construction wicks moisture while the ribbed texture balances minimal weight with lasting durability. With an 18 cm cuff and the iconic Castelli wordmark, these socks keep your feet cool and supported through long, hot rides. Composition: 95% polyamide, 5% elastane.
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