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Notre avis
This Castelli A/C 3 Cycling Cap is made for summer rides, protecting you from the sun and effectively wicking away sweat to keep you dry thanks to its mesh construction.
20 years' experience in the world of cycling
The Castelli A/C 3 Cycling Cap is designed for the hottest days, when ventilation is essential. Ultra-lightweight, it uses a highly breathable mesh that allows air to circulate continuously, helping to keep your head cool even during intense exertion. Its one-size-fits-all design fits easily under a helmet without causing discomfort. A minimalist and effective cap, perfect for summer and rides in hot weather.
Technical specifications:
- Castelli A/C 3 Cycling Cap
- Colours: Black or White
- Size: One Size
- Breathable mesh fabric
- Ultra-lightweight
- Brand: Castelli
Castelli Size Guide
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Our customers, our best ambassadors
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JACQUES D. 
Published Jun 05, 2026 at 08:19 pm (Order date: May 23, 2026)Meets my expectations (Translated review)
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