Alpinestars SMX Waterproof Jacket With a main chassis constructed with 600D polyfabric and stretch softshell the Alpinestars SMX Waterproof jacket was designed for the optimal blend of durability, light weight and comfort. This jacket 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 world versatility. It also features subtly incorporated class-leading Nucleon Flex Plus armor for proven impact protection and is fully optimized for use with or without Tech-Air 5, Alpinestars world leading electronic airbag safety system. 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. Features: Engineered sports body mapped fit and precurved sleeves for optimal riding performance 600D polyfabric and stretch softshell main chassis construction DWR treatment on waterproof membrane Detachable thermal liner (100g body, 80g sleeves) CE Level 1 Nucleon Flex Plus shoulder and elbow armor included Pockets for optional chest and back protectors (sold separately) DFS Lite shoulders with dynamic friction shield on the shoulder for enhanced abrasion resistance Low profile sport collar with soft lining for comfort Rear of the jacket is elongated for enhanced coverage when riding. Shock cord waist for a secure closure. Two front zippered pockets, two chest pockets, an inner waterproof document pocket and two inner pockets on the liner for safe and secure storage of valuables Zip front closure has been engineered to be durable and easy to use Compatible with Tech-Air 5 Airbag Vest Approved to pr-EN17092 as a CE Class A garment Note: This jacket is NOT compatible with the Alpinestars Nucleon Plasma Full Back Protector.