Experience superior comfort in warm-weather conditions with the Castelli Core Mesh 3 Men's Cycling Baselayer, available in White and Black. Designed to be the perfect first layer beneath your cycling jersey, this high-performance sleeveless baselayer delivers outstanding breathability, rapid moisture management, and lightweight comfort. Whether you're climbing steep mountain roads, competing in races, riding gravel trails, or training indoors, the Core Mesh 3 helps maintain an ideal body temperature, allowing you to perform at your best in every ride.

Developed using Castelli's extensive expertise in professional cycling apparel, the Core Mesh 3 features an advanced 3D open-mesh construction that creates exceptional airflow across the body. The lightweight mesh fabric forms thousands of ventilation channels that continuously circulate fresh air while allowing excess heat and perspiration to escape quickly. This advanced ventilation system significantly improves cooling efficiency, making it an ideal choice for hot summer rides and high-intensity training sessions.

Constructed from premium lightweight technical polyester fibers, the Core Mesh 3 offers excellent moisture-wicking performance. The hydrophobic fabric rapidly transfers sweat away from the skin to the outer jersey, where it evaporates efficiently. This process helps keep your skin dry, reduces moisture buildup, and maintains long-lasting comfort even during demanding climbs, fast-paced races, and endurance events.

The anatomical performance fit is designed to follow the body's natural contours, creating a second-skin feel without restricting movement. Its four-way stretch construction adapts effortlessly to every riding position, ensuring unrestricted flexibility while maintaining a smooth profile beneath your cycling jersey. The slim, low-bulk design improves layering efficiency and enhances overall comfort during long hours in the saddle.

Featuring a sleeveless ergonomic design, the Core Mesh 3 maximizes freedom of movement around the shoulders while reducing unnecessary bulk beneath short-sleeve jerseys. This construction also improves airflow across the upper body, allowing heat to dissipate more effectively during warm-weather riding.

To maximize comfort during extended rides, the baselayer utilizes flatlock seam construction that minimizes friction and prevents skin irritation. Carefully positioned seams eliminate pressure points and reduce the likelihood of chafing, allowing you to stay comfortable throughout long-distance rides and demanding training sessions.

One of the key advantages of the Core Mesh 3 is its ability to create a highly effective microclimate between your body and outer jersey. The mesh fabric traps a thin layer of air while continuously transporting moisture away from the skin, helping regulate body temperature across changing conditions. During hot weather it enhances cooling through improved airflow, while in moderate temperatures it prevents the uncomfortable damp feeling caused by perspiration.

Available in two timeless color options, White and Black, the Core Mesh 3 pairs effortlessly with virtually any cycling jersey. The White version is perfect beneath lighter jerseys for maximum heat reflection, while the Black version provides a sleek and versatile appearance that complements darker race and training kits.

The Castelli Core Mesh 3 is suitable for a wide range of cycling disciplines, including road cycling, gravel riding, mountain biking, indoor trainer sessions, endurance races, Gran Fondos, commuting, bikepacking, and everyday training. Its lightweight construction and outstanding ventilation make it particularly effective in warm climates while remaining a valuable performance layer throughout the cycling season.

Crafted with Castelli's renowned Italian quality and attention to detail, the Core Mesh 3 retains its elasticity, breathability, moisture-wicking performance, and shape even after repeated washing. Designed for cyclists who demand reliable performance and long-lasting durability, it remains an essential piece of technical cycling apparel.