Leather Snap closure Tech-Air 5 ready. 1.3mm premium leather, multi-panel construction. Extensive poly fabric stretch inserts on chest, underarm, and rear shoulder. Over-molded, advanced TPU shoulder guard. Snap-button system integrates Nucleon back protector. A superbly styled sport riding garment with premium leather and extensive stretch paneling, the Faster v2 Airflow Jacket is brimming with protective and performance features. Fully optimized for use with or without Tech-Air 5, Alpinestars world leading electronic airbag safety system, this jacket is equipped with a body mapped race fit and pre-curved sleeves, thus optimizing fit and comfort, while extensive perforations deliver enhanced ventilation.