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About Alpinestars Nucleon Kr-1i Back Protector Insert

Alpinestars Nucleon Kr-1i Back Protector Insert

The NUCLEON KR-1i Hybrid Back Protector Insert is CE certified Level 2 to the latest back protector standard revision which incorporates energy absorbing foam and a perforated hard shell core for excellent safety and comfort.

Warning:  California Proposition 65

Details and sizing

Product sizing chart
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