Alpinestars Nucleon Flex PROi

The extremely lightweight Level 2 CE and UKCA certified Nucleon Flex Pro back protector insert is made from a highly ventilated blend of Nucleon Cell and Nucleon Flex protectors, providing an optimal balance between energy transfer and flexibility, with a soft 3D mesh lining for enhanced rider comfort.

The super lightweight back protector insert has been designed in three waist-shoulder sizes to accommodate all body types. The high-performance polymer Cell and Nucleon Flex structures ensure optimized flexibility and excellent weight-saving properties.

The design of the back protector transitions from the center to the outside, achieving a perfect balance between energy absorption and flexibility. The soft, comfortable 3D mesh on the body side of the protector offers breathability and rider comfort.

Snap button compatibility allows 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-).