Castelli A/C 18 2026 summer cycling socks

Thanks to their ultra-lightweight construction, the Castelli A/C 18 summer cycling socks are ideal for extreme heat, keeping your feet cool and dry throughout your ride. The sock is primarily made of nylon, which is highly breathable and durable to ensure excellent moisture management.

The ribbed texture of the socks perfectly combines lightness and durability, offering a comfortable fit whilst ensuring high resistance to wear and tear. The modern design is complemented by the Castelli logo on the upper part of the sock, adding a touch of elegance to these performance socks. Made from 96% nylon and 4% elastane, they offer excellent elasticity for a precise and comfortable fit.

With an 18 cm above-the-ankle height, the Castelli A/C 18 socks offer a stylish look, whilst maintaining a secure fit around the ankle. Perfect for cyclists looking to combine comfort, performance and style, these socks are a must-have for summer rides.

Technical specifications

- Size: 36-39 / 40-43 / 44-47
- Made from ultra-lightweight fabric for the hottest days
- Highly breathable and durable nylon fabric
- Ribbed texture for the perfect blend of lightness and durability
- Socks made from 96% nylon, 4% elastane
- Height: 18 cm above the ankle
- Brand: Castelli
- Colour: white and black

Castelli size guide