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Alpinestars Nucleon KR-CELLi Back Protector
The Alpinestars Nucleon KR-CELLi Back Protector is engineered for advanced energy absorption and adaptive comfort. Constructed from a high-performance polymeric material blend, the triple-segmented back shell plate provides an ideal balance of force dispersion and flexibility. Ergonomically designed with horizontal flexion grooves, it contours to the natural curve of the spine, adapting to multiple riding positions for maximum comfort and protection.
Features
- Triple segmented back shell plate constructed from a high-performance polymeric material blend
- Unique cell micro-structure designed for advanced energy absorption, adaptivity, breathability, and airflow
- Ergonomic plate contours to the natural curve of the back for superior fit
- Horizontal flexion grooves allow an adaptive fit in multiple riding positions
- Airmesh lining on the body side enhances ventilation and rider comfort
- CE Level 1 certified protection
Fitment
- Women's Stella Jackets: 36-38 / XS-SM: Small Nucleon
- Women's Stella Jackets: 40-50 / MD-3XL: Medium Nucleon
- Men's Jackets: 44-50 / XS-MD: Medium Nucleon
- Men's Jackets: 52-64 / LG-4XL: Large Nucleon