Alpinestars Nucleon KR-CELLi Back Protector

Lightweight, breathable CE Level 1 protection that moves with you? Now a reality with the Nucleon KR-CELLi Back Protector from Alpinestars.

In stock
Sku -


Call us about our products.

Easy returns/exchanges

The Alpinestars Nucleon KR-CELLi Back Protector, constructed of a polymeric material blend, features a triple segmented back shell plate which creates the perfect balance between energy absorption and force dispersion. The ergonomic design of the Nucleon KR-CELLi, in tandem with the horizontal flexion grooves, allows it to contour to the natural curve of the back to provide a fit that molds to a variety of riding positions.


  • Triple segmented back shell plate constructed of a polymeric material blend
  • Unique cell micro-structure designed for advanced energy absorption, adaptivity, maximum breathability and air flow
  • Ergonomic protection plate contours to the natural curve of the back
  • Horizontal flexion groves for an adaptive fit in different riding position
  • Airmesh on the body side of the protector offers maximum breathability


  • Women's Stella Jackets:
    • 36-38 or XS-SM: Small Nucleon
    • 40-50 or MD-3XL: Medium Nucleon
  • Men's Jacket:
    • 44-50 or XS-MD: Medium Nucleon
    • 52-64 or LG-4XL: Large Nucleon
More Information
ProductBack Protector
Write Your Own Review
You're reviewing:Alpinestars Nucleon KR-CELLi Back Protector

No Related Posts