Alpinestars Nucleon Flex Pro Insert Back Protector 

• The super lightweight back protector insert is developed in three waist-to-shoulder dimensions in order to cover all body sizes.
• High performance polymeric material Cell and Nucleon Flex structures for optimised flexibility and excellent weight saving properties.
• The back protector’s design changes from the centre towards the outside providing the perfect balance between energy absorption and flexibility.
• Soft comfortable 3D mesh on the body side of the protector offers breathability and rider comfort.
• Snap button compatibility for quick and easy use with Alpinestars suits and jackets.
• Rigorously tested and certified to for proven performance in extreme temperatures.
• Back Protector: EN 1621-2:2014 Level 2 (T & T-).