$119.99
This base layer is designed to cool you on hot days through evaporative cooling technology.
It features Polartec® Delta fabric, which regulates drying and enhances cooling through moisture management.
Yes, it works best under breathable jerseys, including Castelli's Climber's and Superleggera models.
The base layer has a sleeveless design with minimalist construction for maximum comfort and performance.
The special open knit construction allows free airflow while holding moisture next to your skin for effective cooling.
By using hydrophilic and hydrophobic yarns, this base layer holds a bit of moisture next to your body while allowing free airflow through the fabric, thanks to the special open knit. You get evaporative cooling directly on your skin. We recommend using this with Castelli's coolest jerseys, like the Climber's or Superleggera, though it will work under any breathable jersey.