CASTELLI Men’s Core Mesh 3 Short Sleeve, Ultra-Lightweight Moisture-Wicking Base Layer for Hot-Weather Road Cycling - White - Large/X-Large

• SIZING: Castelli products have a close-to-the-body fit to maximize aerodynamics and performance. For a less compressive feel, or if your measurements fall between sizes, we recommend that you size up.
• IDEAL FOR: Cyclists demanding maximum cooling and moisture management during intense summer rides, races, and indoor training sessions. This ultra-lightweight mesh base layer keeps your core dry and comfortable under a cycling jersey. Temperature: 20°C - 30°C / 68°F - 86°F. Weight: 118 g.
• MAXIMUM BREATHABILITY & COOLING: The open Magic Mesh fabric design enhances airflow between your skin and outer layer, preventing overheating on long climbs or turbo trainer sessions. Ideal for road cycling, gravel riding, or triathlon training in hot climates.
• FEATHERWEIGHT PERFORMANCE DESIGN: Built with minimalist lightweight construction and reduced seams for zero irritation, this Castelli base layer fits perfectly under any race or training jersey—ensuring unrestricted movement and second-skin comfort.
• ADVANCED MOISTURE-WICKING FABRIC: Crafted from a 90% polyester / 10% elastane blend, it efficiently wicks sweat away from your body to keep you dry during long summer rides. A must-have cycling undershirt for endurance athletes seeking pro-level temperature regulation.

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