Alpinestars Nucleon Flex PROi back protector

The extremely lightweight Level 2 CE and UKCA-certified Nucleon Flex Pro back protector insert is constructed from a highly ventilated blend of Nucleon Cell and Nucleon Flex protectors for an optimal balance of power transfer and flexibility, with a soft 3D mesh lining for increased rider comfort. The super-lightweight back protector insert has been developed in three waist-shoulder dimensions to accommodate all body sizes. The high-performance polymer Cell and Nucleon Flex structures provide optimized flexibility and excellent weight-saving properties. The back protector design changes from the center outward, ensuring a perfect balance between energy absorption and flexibility. Soft, comfortable 3D mesh on the body side of the protector provides breathability and rider comfort. Snap-on compatibility for quick and easy use with Alpinestars suits and jackets. Rigorously tested and certified to T+ & T for proven performance in extreme temperatures. - Back protector: EN 1621-2:2014 Level 2 (T+ & T-)