Skip to product information
Alpinestars Nucleon Plasma Full Back Protector Insert, Red, motorcycle back protection featuring a zigzag perforated pattern, lightweight and flexible design for ventilation, impact-absorbing protective gear insert
  • Alpinestars Nucleon Plasma Full Back Protector Insert, Red, motorcycle back protection featuring a zigzag perforated pattern, lightweight and flexible design for ventilation, impact-absorbing protective gear insert
  • Alpinestars Nucleon Plasma Full Back Protector Insert, Motorcycle Back Protector, Black, featuring a perforated wavy texture for ventilation, white vertical Alpinestars logo, slim and flexible contoured design
  • Alpinestars Nucleon Plasma Full Back Protector Insert, Red and Black, flexible motorcycle back protector shown curved to demonstrate pliability, featuring a ventilated honeycomb structure and wavy patterns for impact absorption and breathability
  • Alpinestars Nucleon Plasma Full Back Protector Insert, Red and Black, flexible curved position showcasing cellular perforated design, wavy impact-absorbing structure, breathable motorcycle protection gear
Nucleon Plasma Full Back Protector Insert
4.9 | 46 reviews

Nucleon Plasma Full Back Protector Insert

racing/sport | body protectors

€79,95
Color:Red Black
Nucleon Plasma Full Back Protector Insert

Size:S

Size guide
Earn 80 points with Alpinestars Membership
Description

Designed for road and sport riding, the Nucleon Plasma Full Back Protector Insert is a motorcycle back protector insert. CE Level 2 EN 1621‑2:2014 and UKCA certified, it uses Nucleon Plasma Technology—an eco‑friendly, lightweight compound with perforations and airflow channels for energy absorption and breathability. An ultra‑adaptive profile compresses and extends for low‑bulk coverage and soft‑touch comfort.
Key Features
  • Highly ventilated for superior airflow and breathability, with a soft-touch inner liner on the skin side for optimum rider comfort.
  • The super lightweight back protector insert is developed in three waist-to-shoulder dimensions in order to cover all body sizes.
  • 60 years of innovation and extensive testing and research have resulted in Plasma Technology; the perfect balance between impact force absorption, density, thickness and pliability.
  • The adoption of Nucleon Plasma Technology allows Alpinestars to tailor the geometry throughout the protector, resulting in extensive perforations while still far exceeding the impact performance requirements of the CE Standards. Another standout feature of this design is the extensive number of lateral and longitudinal ventilation channels for effective heat dissipation.
  • The Nucleon Plasma Back Protector Insert’s innovative design allows the protector to compress and extend on itself which delivers an ultra-adaptive fit for superior rider comfort.
Protection
  • According to European statutory law the CE mark is a conformity requirement for the marketing of this product. The following standards apply to this product: Back Protector: Category II EN 1621-2:2014 Level 2.
Construction
  • 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.
Shipping & Returns
  • Free shipping above 100 EUR
  • Free 30 day exchanges and returns
Reviews
4.9 | 46 reviews
SKU 8059347339696 EAN 6526624-31-S
Alpinestars Nucleon Plasma protector, Black and Red impact armor for MTB and motorcycle with a wavy textured surface.
Alpinestars Nucleon Plasma Protector Insert, Red Honeycomb MTB Armor, Breathable CE Certified Protection for Mountain Biking.

Protection

Innovative impact absorbing protection that is elastic, forgiving, and moves with the natural movement of the body

Alpinestars Nucleon Plasma Protector, Red Perforated Flexible Armor for MTB Impact Protection and Breathability.

Breathability

The innovative structural design allows the protector to be slim and to have a high level of breathability, as well as flexibility, due to the high percentage of perforation attributed to the "M" shaped design.

Alpinestars Nucleon Plasma Protection, Black and Red Honeycomb MTB Impact Armor, Breathable Technical Material

Comfort

The inner side of certain protectors are laminated with a smooth fabric which provides a soft and comfortable feeling. The fabric adds durability and prevents possible tearing of the viscoelastic material.

Alpinestars Nucleon Plasma MTB protection, red and black flexible impact-absorbing armor for mountain biking performance.

Adaptive

The compound, combined with the 3D engineered structure, provides a very flexible and adaptive platform. The "M-shaped" structural design maximizes the area of protection while at the same time provides superior adaptivity.

Alpinestars Nucleon Plasma Protector, MTB High-Performance Impact Absorption, Red, Zig-Zag Structure Detail.

Impact Performance

The combination of this structure and material results in a protector that is equally protective at any given point of the structure, while at the same time, is also flexible in any direction.

You May Also Like
Top Categories
Moto
MX
Auto
MTB
Frequently asked questions Hide FAQs
What level of protection does the Nucleon Plasma Full Back Protector Insert provide?

This back protector is CE Level 2 and UKCA certified, delivering the highest standard of impact protection for motorcycle riding. Level 2 certification ensures superior energy absorption during impacts compared to Level 1 protectors.
Is the Nucleon Plasma Full Back Protector Insert compatible with Alpinestars jackets?

Yes, this insert is designed to fit Alpinestars jackets with compatible back protector pockets. Its ultra-adaptive design and flexible construction allow it to conform to different jacket models while maintaining optimal protection positioning.
How does Nucleon Plasma Technology differ from traditional back protectors?

Nucleon Plasma is an eco-friendly, sustainable impact-absorbing material unique to Alpinestars. It delivers class-leading adaptability and breathability while remaining extremely lightweight. The material's cellular structure provides excellent force dispersion without sacrificing flexibility or comfort during riding.
Can I wash the Nucleon Plasma Full Back Protector Insert?

The protector features a soft-touch textile backing that can be spot cleaned. Remove the insert from your jacket before cleaning. Avoid machine washing or submerging the protector, as this may affect the Plasma material's protective properties. Allow to air dry completely before reinstalling.