Alpinestars - Nucleon KR-1i Back Insert

KR-1i Back Protector features:

NUCLEON KR-1i Hybrid Back Protector Insert is CE certified to Level 2 (EN1621-2:2014)

Lightweight construction with perforated hard shell and energy absorbing foam.

Hybrid back protector insert offers excellent impact resistance, while being flexible and anatomically contoured.

Innovative cooling airflow channel system offers optimized levels of protection and comfort for sport and street riding.

Dimensions: SMALL = 15.5 x 9.5 inches, MEDIUM = 16.5 x 10 inches, LARGE 17.5 x 10.5 inches