Important! This item can be shipped within the EU only. When you received your airbag vest/clothing Upon receipt, the airbag vest/clothing must be registered and activated by you. Download the D-air® app to activate and access all functions. For safety reasons, the airbag vest/clothing is delivered with the gas generator not mounted. As part of the registration process, you will find step-by-step instructions for proper installation. All information can be found here: d-air.dainese.com D-Air® system The 6 sensors, the electronics and the GPS of the system are integrated into the Pro Armor back protector so you do not have to install a kit on your bike. The D-Air® control unit monitors the sensor signals 1000 times per second with a sophisticated tripping algorithm. The D-Air® system works in synergy with existing safety guards to protect the following body parts of the driver: neck (limits head tilt relative to neck and reduces helmet movement when unrolling) shoulder chest back Features 1 inner pocket 2 outer pockets on front Reflective inserts Ergonomics Jacket-pants fastening system Waist adjustment Materials Aluminium S1 bielastic fabric Tutu cowhide leather Performance Composite protectors certified to EN 1621.1 Level 2 standard on elbows Soft protectors certified to EN 1621.1 standard Level 2 on shoulders Thermoformed small shoulders with interchangeable aluminum plates Dainese D-Air System Dainese D-Air Service Dainese D-Air Q&A