Next-generation back protectors from Alpinestars. The extremely lightweight Nucleon Plasma back insert features Plasma technology, offering a balance between shock absorption, density, thickness, and flexibility.

The Plasma back is environmentally friendly, sustainable, and lightweight, with maximum shock absorption. Its intelligent design provides top comfort and breathability.

• Adoption of Nucleon Plasma technology with extended holes for improved performance.
• Side and longitudinal airflow channels for better circulation.
• Innovative design that allows for compression and expansion with adaptive fit.
• Back protector: Category II EN 1621-2:2014 Level 2.