Features Alpinestars' Nucleon Plasma Technology. Ventilated for airflow and breathability, with a soft-touch inner liner on the skin side for rider comfort.
Alpinestars Nucleon Plasma Back Protector Insert Black | Red Large 652652431-L
Alpinestars Nucleon Plasma Back Protector Insert Black | Red Medium 652652431-M
Alpinestars Nucleon Plasma Back Protector Insert Black | Red Small 652652431-S
Alpinestars 2025 Nucleon Plasma Full Back Protector Insert Black Red MX Quad
Alpinestars Alpinestar Nucleon Plasma Back Protector Insert (Red/Black) Size: m
Alpinestars Nucleon Plasma Back Protector Insert (Large, Red/Black) 8659462
