• 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 design with extensive airflow channels for continuous cooling
• Soft touch inner liner enhances comfort against the body during long rides
• Flexible low profile construction moves naturally with the rider
• Available in three waist to shoulder size options for a tailored fit

The Alpinestars Nucleon Plasma Full Back Protector Insert is designed for riders who want advanced impact protection without sacrificing comfort or breathability. Made from a sustainable blend of bio-based materials and high-performance polyurethane, this insert delivers effective energy absorption while supporting a more eco-conscious approach to rider protection. Its flexible construction allows it to move naturally with the body, making it well suited for everyday riding as well as longer journeys. A highly ventilated design with extensive airflow channels promotes continuous cooling and heat dissipation, while a soft-touch inner liner enhances comfort against the skin. Developed in three waist-to-shoulder size options, the Nucleon Plasma Full Back Protector Insert provides a tailored fit across a wide range of body sizes. Certified to Category II EN1621-2:2014 Level 2 standards, it offers dependable back protection for riders who want peace of mind without added bulk.