• Eco friendly impact absorbing construction using a blend of bio based materials and high performance polyurethane
• Category II EN1621-2 2014 Level 2 certified for dependable back protection
• Highly ventilated structure with extensive airflow channels for continuous cooling
• Soft touch inner liner improves comfort against the body during extended rides
• Flexible low profile design integrates easily into compatible riding gear
• Available in three waist to shoulder size options for a tailored fit

The Alpinestars Nucleon Plasma Back Protector Insert is designed to deliver advanced back protection with a strong focus on comfort, airflow, and sustainability. Constructed from an eco-friendly blend of bio-based materials and high-performance polyurethane, it provides effective impact absorption while maintaining a flexible, low-profile feel that integrates easily into compatible riding gear. A highly ventilated structure with extensive airflow channels promotes heat dissipation and breathability, helping keep you comfortable during city riding and longer journeys alike. The soft-touch inner liner enhances comfort against the body, while three waist-to-shoulder size options ensure a proper fit across a wide range of rider builds. Certified to Category II EN1621-2:2014 Level 2 standards, the Nucleon Plasma Back Protector Insert offers dependable protection designed to support both safety and everyday ride comfort.