Air-Con Included. Our Syncro series are leaner, lighter and faster than ever before. The Syncro 20 features our AirSpeedbacksystem and a LightWireframe, taking ventilation to the next level, while featuring an innovative open-yoke to promote maximum airflow along the back. Equipped with a ventilated performance-fit BioStretchharness to further increase airflow; even on the hottest rides, hikes or trails, you'll enjoy incredible ventilation and load stability. The streamlined profile of the pack and LidLockbike helmet attachment makes it perfect for riders looking for an efficient, agile solution to carry their gear, while the spacious pockets and dedicated hydration sleeve equip this pack with the tools to be a true multi-sport professional. A J-Zip front panel makes accessing your essentials easy, while a comfortable wrapping hipbelt with stretch-mesh pockets gives you an easy place to store snacks or small essentials.The Syncro 20 has the greatest capacity in the series, with