Alpinestars Nucleon KR-Celli Back Protector

The extremely lightweight, CE-certified KR-Celli Protector insert features an articulated back shell plate for flexibility and riding fit, plus an advanced micro-structure cell design for efficient impact energy absorption and high levels of airflow.

This protector has a hard shell and is intended for use in race/sport suits and jackets. Alpinestars has other models for Adventure and Touring, contact us if you need assistance.

• Triple segmented back shell plate
  
• Constructed from a high performance polymeric material blend
  
• Optimized for flexibility and excellent weight saving properties
  
• Unique cell micro-structure designed for advanced energy absorption, adaptivity, maximum breathability and air flow.
  
• Back Protection – EN 1621-2:2014 Level 1
  
• Three waist-to-shoulder dimensions to cover all body sizes.
  
• Ergonomic protection plate contours to the natural curve of the back ensuring optimum fit while riding.