Tech-Air 5 compatible; Tech-Air is the worlds first completely electronic, self-contained, full independent upper body motorcycle airbag system with no bike-to-rider set-up configurations required. Knitted design leather jacket designed with a body mapped race fit and pre-curved sleeves and body for optimal riding performance. Advanced inner comfort liner construction and assembly for optimized flexibility and ease of use, thereby maximizing the knit panels function for an unrivalled sensation of freedom when the jacket is on. Engineered stretch panel inserts have been designed to accommodate Alpinestars Airbag System, allowing expansion when the airbag inflates but also offering a high level of anatomical performance and a superior fit when riding without the system fitted. Chassis constructed from premium bovine leather for superior abrasion resistance. Large mesh panel on back of collar for optimized levels of airflow. Level 1 Nucleon Flex Plus armor on shoulder and elbow (Nucleon chest Level 1 and Nucleon Level 1 and 2 back protectors available as an accessory upgrade). DFS Lite shoulders for enhanced impact protection and abrasion resistance. Rear of the jacket is elongated for enhanced coverage when riding. Knitted technology fabric on seam area for programmed stretchability, thus optimizing fit and comfort. Hook and loop waist and cuff with semi-automatic zip for a secure closure. Low profile collar construction with soft lining for enhanced rider comfort. Two front zippered pockets, inner waterproof document pocket and two inner pockets on the liner for safe and secure storage. Upper side vents for optimal airflow. Coil main zipper for ease of use, even with gloved hands. Waist connection zipper allows attachment to Alpinestars riding pants. Reflective details.