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Nucleon Plasma Chest Inserts

The Alpinestars Nucleon PLASMA Divided Chest Protector Insert is ergonomically engineered for all forms of road riding. Designed to be lightweight, breathable and low-profile, it fits seamlessly into all Alpinestars jackets — past and present. Built from eco-friendly PLASMA viscoelastic material, it provides soft, adaptive comfort while exceeding CE Level 1 chest protection standards.

Key Features

• CE Level 1 certified divided chest protector (EN1621-3:2018)
• Designed to fit all Alpinestars jackets, current and previous models
• PLASMA “M” perforated design for maximum airflow and heat dissipation
• Soft tactile backing prevents tearing and ensures long-term structural integrity
• Constructed from USDA-certified bio-based PLASMA impact-absorbing material
• Lightweight, flexible and ultra-breathable viscoelastic compound for superior comfort
• Soft tactile inner liner for enhanced rider comfort
• Available in two sizes to suit various jacket fits

Proudly supplied by DR MOTO — New Zealand’s trusted Alpinestars protection specialist.
Premium armour inserts, expert advice, and fast nationwide shipping to keep riders confident and protected.