Alpinestars Nucleon KR-2i Back Protector Insert
- Sizing Info
The Alpinestars Nucleon KR-2i Back Protector Insert fits all Alpinestars jackets and race suits and delivers CE Level 2 impact protection.
- CE Certified Level 2 (EN1621-2:2014)
- Lightweight, flexible PU injected impact foam
- Contoured for anatomical and adaptive fit
- Perforated for breath-ability and comfort
- Channel ventilation system for optimized airflow
Note: Size MD is recommended for Men's jackets size 50 and smaller and XS-MD. Size LG is recommended for Men's jackets size 52 and larger and LG-4XL. See specific Women's jackets for sizing recommendations.
|Waist to Shoulder (in)||Height (in)||Protector Size|
|15 - 17||56.75 - 64.25||SM|
|17 - 19||64.25 - 71.75||MD|
|19 - 20||71.75 - 76.5||LG|