Alpinestars Nucleon KR-1i 2015, back protector insert
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The NUCLEON KR-1i Hybrid Back Protector Insert is 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. Fusing together a lightweight, perforated hard shell and energy absorbing foam, this hybrid protector insert offers excellent impact resistance while being flexible and anatomically contoured. With its innovative cooling airflow channel system the NUCLEON KR-1i Hybrid Back Protector Insert offers optimized levels of protection and comfort for sport and street riding.