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Alpinestars Nucleon Plasma Back Protector Insert, Motorcycle Back Protector, Red, flexible zigzag mesh design with ventilation holes, CE Level 2 certified impact protection, ergonomic insert for riding jackets
  • Alpinestars Nucleon Plasma Back Protector Insert, Motorcycle Back Protector, Red, flexible zigzag mesh design with ventilation holes, CE Level 2 certified impact protection, ergonomic insert for riding jackets
  • Alpinestars Nucleon Plasma Back Protector Insert, Black and Red motorcycle back protector, highly perforated honeycomb structure for ventilation, vertical white Alpinestars branding, lightweight and adaptive Level 2 CE certified impact protection.
  • Alpinestars Nucleon Plasma Back Protector Insert, Red and Black, shown in a folded position to highlight flexibility, featuring a perforated black interior and a textured red exterior with a zig-zag pattern and white Alpinestars logo, lightweight and ventilated motorcycle protection
  • Alpinestars Nucleon Plasma Back Protector Insert, Red and Black, flexible motorcycle back protector featuring a honeycomb pattern and extensive perforations for breathability, lightweight and adaptable safety gear
Nucleon Plasma Back Protector Insert
4.9 | 113 reviews
Best Seller

Nucleon Plasma Back Protector Insert

racing/sport | body protectors

€59,95
Color:Red Black
Nucleon Plasma Back Protector Insert

Size:S

Size guide
Earn 60 points with Alpinestars Membership
Description

Engineered for ROAD riders, the Nucleon Plasma Back Protector Insert is Alpinestars’ motorcycle back protector insert delivering lightweight, sustainable impact protection. CE and UKCA certified to EN 1621‑2:2014 Level 2, it features Nucleon Plasma Technology—an eco‑friendly bio‑based blend with high‑performance polyurethane—plus extensive perforations and ventilation channels. Ultra‑adaptive geometry compresses and extends to fit, improving coverage, airflow, and all‑day comfort inside compatible jackets and suits; offered in three waist‑to‑shoulder sizes.
Key Features
  • Ventilation system: Highly ventilated for superior airflow and breathability, with a soft-touch inner liner on the skin side for long-ride comfort.
  • Fit options: Super lightweight insert offered in three waist-to-shoulder dimensions to cover a wide range of torso lengths for optimal coverage.
  • Nucleon Plasma Technology: 60 years of innovation distilled into a design that balances impact force dispersion, density, thickness, and pliability for confident, flexible protection.
  • Perforated structure: Tailored geometry enables extensive perforations and lateral/longitudinal ventilation channels for effective heat dissipation while maintaining high impact performance.
  • Adaptive geometry: Innovative structure compresses and extends to self-adjust to your movement, delivering an ultra-adaptive fit and 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.
  • CE and UKCA certified for high-level back impact protection.
Construction
  • Nucleon Plasma Technology core: eco-friendly blend of bio-based materials and high performance polyurethane forming a lightweight impact-absorbing insert.
  • Soft-touch textile coating on the body side as the skin-facing layer.
  • Integrated lateral and longitudinal ventilation channels molded into the structure.
  • Articulating compress-and-extend lattice architecture for an ultra-adaptive insert profile.
  • Weight (approx.): S 460 g; M 550 g; L 600 g.
Shipping & Returns
  • Free shipping above 100 EUR
  • Free 30 day exchanges and returns
Reviews
4.9 | 113 reviews
SKU 8059347257754 EAN 6526524-31-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.

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Frequently asked questions Hide FAQs
What certification level does the Nucleon Plasma Back Protector Insert have?

The Nucleon Plasma Back Protector Insert is CE Level 2 and UKCA certified, providing high-impact protection for motorcycle riding. Level 2 certification indicates superior energy absorption compared to Level 1 protectors, making it suitable for both street and sport riding applications.
Is the Nucleon Plasma Back Protector compatible with all Alpinestars jackets?

This insert is designed to fit Alpinestars jackets and suits with back protector pockets. It features an ultra-adaptive design that conforms to different pocket sizes and body shapes. Check your specific jacket's compatibility to ensure it includes a dedicated back protector pocket.
How does Nucleon Plasma Technology differ from traditional foam protectors?

Nucleon Plasma is a lightweight, eco-friendly impact-absorbing material unique to Alpinestars that offers superior breathability and ventilation compared to traditional foam. Its molecular structure provides class-leading adaptability and flexibility while maintaining Level 2 CE protection, resulting in better comfort during extended riding sessions without compromising safety performance.
Can the Nucleon Plasma Back Protector be washed?

The protector features a soft-touch textile backing that can be spot-cleaned with mild soap and water. Allow it to air dry completely before reinserting it into your jacket. Avoid machine washing, tumble drying, or exposing it to direct heat sources, as these may compromise the protective properties of the Plasma material.