Alpinestars: Innovative fit design to offer improved fit and reduced material construction. Extremely lightweight, vented poly-fabric main chassis construction for moisturewicking and fit. Fabric features quick dry treatment for comfort and improved anti-bacterial performance. Perforated mesh inserts around collar for excellent breathability, especially when using Alpinestars BNS neck support. Mesh on side torso and forearms for excellent airflow and comfort. Pre-curved sleeves for maximum comfort and performance. Extended rear for compatibility with Alpinestars’ MTB pants and shorts. Comfort neck collar and raglan construction for easy entry and exit. Seamless collar and cuffs for weight-saving and durability. Sublimated fade-resistant graphics in exciting new colorways.