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About Alpinestars Nucleon Plasma Back Protector

Alpinestars Nucleon Plasma Back Protector

Introduced in 2024 and engineered for road riders, the Nucleon Plasma Back Protector delivers lightweight, low‑bulk motorcycle back protection for sport and street use. CE EN 1621‑2:2014 Level 2 rated, it combines a bio‑based Nucleon PLASMA viscoelastic core with a semi‑rigid thermoplastic spinal zone for impact dispersion, plus PLASMA “M” ventilation and adjustable, removable straps for airflow, stability, and a precise fit under jackets or suits.

Warning:  California Proposition 65

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