Alpinestars Nucleon KR-2i Back Protector Insert Black

The NUCLEON KR-2i soft back protector is quick and convenient to insert and fits superbly into a rider's jacket or suit for maximum comfort, protection, and safety. An ideal addition to all Alpinestars brand jackets. Constructed from lightweight injected polyurethane for optimal impact absorption Contoured for an anatomical fit Perforated structure to ensure breathability and comfort Channel ventilation system for optimized airflow CE certified Level 2 protection (EN1621-2:2014) - Size S: heights between 144 and 164 cm. - Size M: heights between 164 and 182 cm. - Size L: heights between 182 and 194 cm.