The Nucleon KR-1 CELL Level 2 back protector features an articulated rear shell for enhanced flexibility and rider fit, along with an advanced microstructure cell design that delivers efficient impact energy absorption and high levels of airflow.

Technical Features:

• Ultra-lightweight back insert, developed in three sizes (waist to shoulder) to accommodate various body types

• High-performance polymeric cell structure for optimized flexibility and excellent weight-saving properties

• Progressive design from center to edge provides the ideal balance between energy absorption and flexibility

• Horizontal flex grooves ensure adaptive fit across different riding positions

• Soft and breathable padding on the body-facing side enhances rider comfort and ventilation