The NUCLEON KR-2i soft back protector insert is CE-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.

Color:	black
Size:	L
Protector Type:	Back protector
Sport:	Motorcycle
Gender:	Men

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2 - 5 out of 53 reviews

4 June 2022 21:18

Super.

Prefect protection.

8 April 2022 10:34

The size, the leather quality is the best.

Very good product. The size is perfect, the leather is the best.

21 March 2022 02:05

Very good

The Alpinestars protector fitted the Alpinestars jacket perfectly

1 February 2022 03:20

가볍고 통기성도 좋다

ce 레벨2 라는데 무지 가볍고 통기성도 충분.

12 September 2021 02:57

Bon rapport qualité prix

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Alpinestars Nucleon KR-2i Back Protector

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