Alpinestars Nucleon KR-2i Back Protector
Alpinestars Nucleon KR-2i Back Protector

Alpinestars Nucleon KR-2i Back Protector

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£44.99 £39.99
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The highly protective Alpinestars Nucleon KR-2i soft back protector is quick and easy to fit into your Alpinestars motorcycle jacket or suit, providing ultimate comfort, protection and safety performance. The Nucleon KR-2i is CE-certified level 2 to the latest back protector standards. It is extremely lightweight, flexible and is ergonomically profiled for an optimised anatomical fit,  incorporating an airflow system for cooling and comfort. 


  • Lightweight, flexible PU injected impact foam
  • Highly protective
  • Contoured for anatomical and adaptive fit
  • Perforated for breathability and comfort
  • Channel ventilation system for optimised airflow
  • Dimensions: Small - 15.5 x 9.5in, Medium - 16.5 x 10in, Large 17.5 x 10.5in
  • Alpinestars Nucleon KR-2i Soft Back Protector Insert is CE certified Level 2 (EN1621-2:2014)

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