Details
The Alpinestars Nucleon KR-1i Back Protector Insert is CE certified Level 2 to the latest back protector standard revision which incorporates energy absorbing foam and a perforated hard shell core for excellent safety and comfort.
- Lightweight, perforated hard shell fused together with energy absorbing foam 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.