Alpinestars Nucleon KR-Celli Back Protection Insert — Size S, Black

Nucleon KR-Celli back protection insert

Engineered to deliver high-level impact absorption while remaining ultra-lightweight, the Nucleon KR-Celli insert combines advanced materials and smart geometry for superior rider protection.

• Super lightweight insert available in three waist-to-shoulder dimensions to cover a wide range of body sizes.
• Triple-segmented back shell plate constructed from a high-performance polymeric material blend for optimized flexibility and excellent weight savings.
• Structural design from the center toward the outside provides an ideal balance between force dispersion and energy absorption.
• Unique cell microstructure for advanced energy absorption, adaptivity, maximum breathability and enhanced airflow.
• Ergonomic protection plate contours to the natural curve of the back for an ideal riding fit, with horizontal flexion grooves for adaptive movement.
• Soft airmesh on the body side offers maximum breathability and rider comfort.
• Certified to back protector EN 1621-2:2014 Level 1.
• Materials: 60% polyurethane, 38% polyester, 2% other.

The Nucleon KR-Celli insert is designed to integrate seamlessly with compatible garments, providing discreet, comfortable protection without sacrificing mobility.