Alpinestars Nucleon KR-2i 2015, back protector insert

The NUCLEON KR-2i soft back protector insert is certified Level 2 to the latest back protector standard (EN1621-2:2014). Extremely lightweight, flexible and ergonomically profiled for an optimized anatomical fit the NUCLEON KR-2i incorporates an airflow system for cooling and comfort. The highly protective NUCLEON KR-2i back protector is quick and convenient to insert and fits perfectly in a rider’s jacket or suit for the ultimate in safety performance.
Lightweight, flexible PU injected impact foam. Contoured for anatomical and adaptive fit. Perforated for breathability and comfort. Channel ventilation system for optimized airflow.