With a main chassis constructed with 600D polyfabric and stretch softshell for the optimal blend of durability, light weight and comfort, this jacket features subtly incorporated class-leading Nucleon Flex Plus armor for proven impact protection. Thisjacket is equipped with a DWR (Durable Water Repellent) treatment on its fixed waterproof membrane for proven wet weather performance, and has a detachable thermal liner, allowing it to be adapted to the weather conditions for real worldversatility. It is also fully optimized for use with or without Tech-Air® 5, Alpinestars world leading electronic airbag safety system. 1. Featuring an engineered fit designed to deliver the highest level of active upper body protection, this jacket is Tech-Air® ready and can accommodate the Tech-Air® 5 Airbag System.2. Level 1 Nucleon Flex Plus armor on shoulders and elbows delivers optimal resistance against impacts and abrasion, while also being supremely flexible for optimum comfort.3. Textile construction with extensive softshell panels for the optimum blend of fit, comfort, light weight and freedom of movement.