W. Core Mesh Sleeveless
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The Castelli Core Mesh Sleeveless Women's Base Layer is a sweltering summer specialist, actively wicking moisture to keep you cool on the hottest rides of the year. This sleeveless base layer fits effortlessly under your favorite jersey, facilitating wicking and evaporative cooling with its open-mesh construction. In fact, the jersey's open-mesh polyester fabric uses hollow core fibers for ultra-fast drying when you're working up a sweat, as well as an ultra-soft feel with ample stretch to maximize on-bike movements.
- Open-cell mesh (100% polyester)
- Anatomically contoured fit