ALPINESTARS Nucleon Plasma Back Protector

The Alpinestars Nucleon Plasma Full Back Protector Insert is an ultra-lightweight, Level 2 CE and UKCA certified protector that introduces Alpinestars’ latest Nucleon Plasma Technology — a sustainable, eco-friendly impact-absorbing material engineered for superior adaptability and ventilation. Its innovative design balances flexibility, protection, and comfort, making it the perfect upgrade for riders seeking high-level back protection without added bulk.

Key Features

• Constructed from eco-friendly, sustainable materials — a blend of bio-based compounds and high-performance polyurethane
• Extremely lightweight and flexible for enhanced freedom of movement
• Highly ventilated design with extensive perforations for maximum airflow
• Soft-touch inner liner for comfort against the skin
• Developed in three waist-to-shoulder sizes to fit a wide range of riders

Protection

• Features Alpinestars’ proprietary Nucleon Plasma Technology for optimal force absorption, density balance, and pliability
• Engineered geometry provides extensive perforation without compromising impact performance
• Lateral and longitudinal ventilation channels efficiently dissipate heat
• Innovative structure allows compression and extension for a flexible, adaptive fit
• Certified to CE EN 1621-2:2014 Level 2 (Back Protector Category II)