CONSTRUCTION:
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Perforated for breathability and comfort
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Channel ventilation system for optimized airflow
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Dimensions:
SMALL: 15.5 x 9.5 inches
MEDIUM: 16.5 x 10 inches
LARGE: 17.5 x 10.5 inches 
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NUCLEON KR-2i Back Protector Insert is CE certified Level 2 (EN1621-2:2014)
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The highly protective NUCLEON
 
KEY FEATURES:
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Lightweight, flexible PU injected impact foam
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Contoured for anatomical and adaptive fit
 
Note: Images shown for illustration purpose only. Actual product may vary in look & finish as per discretion from Alpinestars.
Size Chart: