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About Alpinestars Nucleon Plasma Full Back Protector Insert

Alpinestars Nucleon Plasma Full Back Protector Insert

Designed for road and sport riding, the Nucleon Plasma Full Back Protector Insert is a motorcycle back protector insert. CE Level 2 EN 1621‑2:2014 and UKCA certified, it uses Nucleon Plasma Technology—an eco‑friendly, lightweight compound with perforations and airflow channels for energy absorption and breathability. An ultra‑adaptive profile compresses and extends for low‑bulk coverage and soft‑touch comfort.

Warning:  California Proposition 65

Details and sizing

Product sizing chart
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