Features:

• Eco-friendly and sustainable impact absorbing material; a blend of bio-based materials and high performance polyurethane
• Delivers superb adaptability for an enhanced performance fit
• Highly ventilated for superior airflow and breathability
• Soft-touch inner liner on the skin side for optimum comfort
• CE Level 2

Dimensions:

• SM: 8.75 W, 18.5 L
• MD:  9.75 W, 20.75 L
• LG: 11.5 W, 23 L

Fitment:

• Note: This back protector is not guaranteed to fit Alpinestars jackets released prior to 2024. If an Alpinestars jacket is incompatible with this back protector it will be noted on that jacket's product page.
• Women's Stella Jackets:
  • 36-38 or XS-SM: Small Nucleon
  • 40-50 or MD-3XL: Medium Nucleon
• Men's Jacket:
  • 44-50 or XS-MD: Medium Nucleon
  • 52-64 or LG-4XL: Large Nucleon

Cutting Edge Innovation

The lightweight Level 2 CE and UKCA certified Nucleon Plasma Full Back Protector Insert features Alpinestars’ innovative Nucleon Plasma Technology. This technology is unique to Alpinestars and utilizes eco-friendly, sustainable, and lightweight impact-absorbing material. Its clever design ensures class-leading adaptability, breathability, and ventilation. Riders can experience unmatched protection without sacrificing comfort.

The Nucleon Plasma material is eco-friendly and lightweight, designed to absorb impacts efficiently. Its design offers superior adaptability and breathability, keeping riders safe and comfortable. This protector demonstrates a commitment to both the environment and rider safety.

Let's be honest, nobody plans on having to put their back protector to the test - but in the event of an accident, having planned for the worst can go a long way to ensure you're able to rip around another day.

Advanced Design

The Nucleon Plasma Full Back Protector Insert is backed with a soft-touch textile coating, ensuring comfort during rides. This ultra-adaptive protector disperses force efficiently while maintaining flexibility. Its design caters to the rider's need for comfort without compromising on safety. The result is a balance of protection and ease of movement.

Designed for optimal ventilation, the Nucleon Plasma Full Back Protector Insert excels in breathability. The unique material and design allow for maximum airflow, keeping riders cool during intense rides. This advanced breathability ensures that the protector is comfortable to wear for extended periods. Riders can enjoy the benefits of high-performance protection without overheating.