That first climb of the day, when the air is still crisp but you know the sun's full power is coming, is precisely where Castelli's Core Mesh sleeveless baselayer proves its worth. Crafted from a featherlight, 100% polyester mesh, this essential first layer is engineered to manage moisture with surgical precision. It actively pulls sweat from your skin, pushing it outward to evaporate while simultaneously creating a subtle air layer between the fabric and your outer shell, preventing clamminess and regulating your core temperature. This isn't just about staying dry; it’s about maintaining optimal comfort, whether you're grinding up a sweltering ascent or carving through a fast, cool descent. The lean, anatomical cut disappears beneath your jersey, eliminating bulk, while strategically placed, minimal seams ensure chafe-free performance over the longest hauls. It’s the silent workhorse that allows you to focus purely on the ride, the trail, the journey – delivering the confidence to extend your limits comfortably in a broad range of mild to warm conditions. 
 
PRODUCT CONDITION
 
Castelli Core Mesh Sleeveless Baselayer - Women's is in Good condition. 
 
Products in Good condition have been well loved, but still have life left in them. Signs of wear may include pilling, snags, lint, animal hair, dried dirt, minor but noticeable staining, and other cosmetic imperfections. Small tears or holes may be present, but will not affect the functionality of the item. 
 
With this item, the following damages were observed: 

-A few small snags

-Light staining 



TECH SPECS

• Brand: Castelli
• Material: 100% Polyester
• Fabric type: Open mesh
• Sleeveless
• Reduced seams for maximum comfort