The Castelli Entrata 2 Jacket is purpose-built for cool-weather rides, delivering the perfect balance of wind protection and breathability. The front panel and sleeves are constructed from Castelli’s exclusive 298 g Polartec® AirCore™ electrospun air-permeable membrane, providing industry-leading windproof performance while maintaining exceptional ventilation. On the back, stretch polyester Warmer fleece fabric enhances breathability and thermal comfort, preventing overheating during sustained efforts. Weighing 403 grams, this mid-weight jacket is optimized for temperatures between 6°C and 15°C (43°F to 59°F), offering reliable insulation without compromising mobility. A full-length YKK® Vislon® zipper ensures smooth, easy operation, while three rear pockets provide ample storage for ride essentials. Finished with reflective piping below the pockets for low-light visibility, the Entrata 2 Jacket combines protection, comfort, and practicality in a regular fit designed for everyday cold-weather riding.