Alpinestars Nucleon KR-Celli Back Protector for retrofitting

The extremely lightweight, tested KR-CELLi Protector insert features a movable back shell for flexibility and fit as well as an advanced microstructure cell design for efficient impact energy absorption and a high air flow.

CONSTRUCTION
• The triple segmented rear shell plate is made of a high-performance polymer material mix for optimized flexibility and excellent weight savings.

• Unique microstructure of the cell for advanced energy absorption, adaptability, maximum breathability and airflow.

PROTECTION
• Back protection level 1

• The ultralight Nucleon KR-CELLi Protector insert is designed in three waist-to-shoulder dimensions to cover all body sizes.

• The structural design of the back protector and the structural change from the center to the outside ensure the perfect balance between force distribution and energy absorption.

• The ergonomic protective plate adapts to the natural curve of the back and ensures an optimal fit during the ride.

MAIN FEATURES
• Horizontal flexion grooves for adaptive fit in different driving positions.

• Soft, comfortable airmesh on the body side of the protector provides maximum breathability and driver comfort.