Offering a personalized sports riding fit, the AST-1 v2 Air jacket is an exceptionally light and durable jacket featuring a main mesh shell for superior ventilation that is fully optimized for use with or without Tech-Air5, Alpinestars world leading electronic airbag safety system. Tech-Air 5 compatible; Tech-Air is the world's first completely electronic, self-contained, full independent upper body motorcycle airbag system with no bike-to-rider set-up configurations required. Strategically positioned 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. Constructed from hard-wearing 600 Denier poly-fabric and incorporating extensive mesh panels strategically placed on the front, back and arms for optimum airflow performance. Removable Nucleon Flex protectors in the elbows and shoulders are lightweight, sleek and promote exceptional resistance against impacts. GP Lite on the shoulders for superior abrasion resistance in a key area. Chest and back pad compartments with comfort padding (Alpinestars CE-certified Nucleon back and chest protectors available as accessory upgrade). Sleeves feature pre-curved construction for increased comfort performance in riding position. Volume adjustment system on sleeves incorporates hook and loop adjustments for highly personalized fit and to help maintain positioning of elbow protector. Elongated rear profile and hook and loop D-ring waist adjustment for added riding comfort and customization. External hand pockets are zipped for a safe and secure closure. Textile comfort edge on collar and cuffs for comfort and moisture-wicking. Auto locking zippers for durability and safety. Reflective details. According to European statutory law the CE mark is a conformity requirement for the marketing of this product. The followi