Nucleon Kr-2i Back Protector Insert Size:S this is reinforced even further

this is reinforced even further with the Nucleon Flex technology layer on the central back zone

Featuring a design engineered and optimized for gravity riding

quick-drying stretch fabric for excellent levels of moisture-wicking and breathability

innovative aramidic knit lining for comfort and protection

the 2-layer laminated Drystar®XF waterproof membrane provides superior breathability in wet and dry conditions

Nucleon Kr-2i Back Protector Insert Size:S this is reinforced even furtherThe NUCLEON KR 2i soft back protector is quick and convenient to insert and fit unobtrusively within a rider's jacket or suit for the ultimate in comfort and safety protection.