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Alpinestars Nucleon Flex Pro Back Protector

Alpinestars Nucleon Flex Pro Back Protector

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Arlen Ness

Black-Cafe London




Alpinestars Nucleon Flex Pro Back Protector

The extremely lightweight Level 2 Nucleon Flex Pro back protector insert is made of a highly ventilated blend of Nucleon Cell and Nucleon Flex to create an optimal balance between power transfer and flexibility. To top it off, it features soft 3D mesh lining for increased rider comfort.


  • The super-lightweight back protector insert is designed in three waist-shoulder dimensions to cover all body sizes
  • Cell high-performance polymer and Nucleon Flex structures provide optimized flexibility and excellent weight-saving properties
  • The design of the back protector changes from the center to the outside, providing a perfect balance between energy absorption and flexibility
  • Soft, comfortable 3D mesh on the body side of the protector provides breathability and rider comfort
  • Push-button compatibility for quick and easy use with Alpinestars suits and jackets
  • Rigorously tested for proven performance in extreme temperatures
  • EN 1621-2:2014, Level 2
  • Weight: S-0.6 kg, M-0.7 kg, L-0.75 kg

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