Alpinestars Nucleon Flex Pro Protection Vest

Back Protector - Ergonomically contoured dual zone outershell. Advanced polymeric blend with a solid cell structure core. Solid cell core framed by a more flexible 32 cell structure. Nucleon Flex technology layer on the central back zone. Divided Chest Protector - Unique new longer length for more protection coverage in critical area. Lightweight, ventilated and ultra-comfortable technology. Rigorously tested and certified for proven performance in extreme temperatures. Chest and back protector held securely in position by the breathable, soft-touch perforated mesh chassis that also delivers maximum airflow for enhanced rider comfort. Back Protector: EN 1621-2:2014 (Level 2), Divided Chest Protector EN 1621-2:2018 (Level 2).