Alpinestars Nucleon Plasma Full back protector

Technical sheet

Alpinestars Nucleon Plasma Full back protector

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2 Reviews

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Long

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Features of Alpinestars Nucleon Plasma Full

Product description of Alpinestars Nucleon Plasma Full back protector

Description summary

Experience the future of rider safety with the Alpinestars Nucleon Plasma Full Back Protector. This extremely lightweight, Level 2 CE certified insert features exclusive Nucleon Plasma Technology—an eco-friendly material delivering the perfect balance of force dispersion, flexibility, and comfort. Its innovative design compresses and extends for an ultra-adaptive fit, while extensive ventilation channels and a soft-touch liner provide superior airflow and breathability. Stay safe, cool, and comfortable on every ride with this class-leading protection

The extremely lightweight Level 2 CE and UKCA certified Nucleon Plasma Full Back Protector Insert features Alpinestars’ Nucleon Plasma Technology. Unique to Alpinestars, Plasma is an eco-friendly, sustainable, and lightweight impact absorbing material, while its clever design delivers class-leading levels of adaptability, breathability, and ventilation. Backed with a soft-touch textile coating, this ultra-adaptive protector delivers the optimum balance of force dispersion, flexibility, and 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.

Specifications

Manual

Size chart

Technical specifications of Alpinestars Nucleon Plasma Full

Protection level

Level 2
Coverage type

Full Back Protector Insert
Ventilation system

Yes
Color

Red
Product Type

Back protectors
Location

Back

Features of Alpinestars Nucleon Plasma Full

Color Red

Color

Red

Product Type Back protectors

Product Type

Back protectors

Location Back

Location

Back

Key differentiators

Backed with a soft-touch textile liner for enhanced rider comfort against the skin.

CE certified to EN 1621-2:2014 Level 2 for proven impact protection.

Constructed from an eco-friendly blend of bio-based materials and high-performance polyurethane.

Features Nucleon Plasma Technology for an ultra-adaptive fit that compresses and extends with rider movement.

Highly ventilated design with extensive channels for superior airflow and breathability.

Technology in Alpinestars Nucleon Plasma Full back protector

Energy rating

Warnings

5 / 5

2 Reviews

What our customers are saying about Alpinestars Nucleon Plasma Full back protector

A real added value for security!

2026/02/04

H. T.

I bought this to use with my Alpinestars Andes Air jacket, and I'm pleasantly surprised by how comfortable this back protector is! It's just as comfortable to wear as a D3O, and the protection extends quite low down the back. So if you have the space in your Alpinestars jacket, install it without hesitation!

Nucleon Plasma top protector

2025/07/16

igor

Since I bought the Apinestars Bogota jacket, I decided to put in the Alpinestars inner protector. It fits perfectly. Jacket size S, protector size M. The protector is very breathable and flexible which gives extra comfort while riding. You almost don't know it's there. I highly recommend it.

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Include AI Generated questions and answers

2026-09-13

Generated by AI and verified

What is the Alpinestars Nucleon Plasma Full Back Protector made of?

Answer of Generated by AI and verified

This back protector is constructed from a blend of bio-based materials and high-performance polyurethane. This material is part of Alpinestars' exclusive Nucleon Plasma Technology, which is an eco-friendly and lightweight impact-absorbing material.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Is this back protector suitable for both men and women?

Answer of Generated by AI and verified

Yes, the Alpinestars Nucleon Plasma Full Back Protector is a unisex product designed for adult riders.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What makes the Nucleon Plasma Technology special?

Answer of Generated by AI and verified

Nucleon Plasma Technology is unique to Alpinestars. It utilizes an eco-friendly, sustainable, and lightweight material that provides an excellent balance of impact force dispersion, flexibility, and comfort. Its design allows it to compress and extend for an ultra-adaptive fit.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Is the Alpinestars Nucleon Plasma Full Back Protector worth the investment?

Answer of Generated by AI and verified

The Alpinestars Nucleon Plasma Full Back Protector offers Level 2 CE certified protection with advanced Nucleon Plasma Technology, making it a strong choice for those seeking high safety standards in motorcycle gear.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What level of protection does this back protector offer?

Answer of Generated by AI and verified

The Alpinestars Nucleon Plasma Full Back Protector is certified as Level 2 protection according to the EN 1621-2:2014 standard, providing a high level of impact absorption.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Is the Nucleon Plasma back protector ventilated?

Answer of Generated by AI and verified

Yes, it is highly ventilated. The design incorporates extensive lateral and longitudinal ventilation channels for superior airflow and breathability, helping to keep you cool and comfortable.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What certifications does this back protector have?

Answer of Generated by AI and verified

This back protector meets the Category II EN 1621-2:2014 Level 2 standard for back protection. It is also UKCA certified.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What type of coverage does this protector provide?

Answer of Generated by AI and verified

This product is a Full Back Protector Insert, designed to be placed inside a compatible motorcycle jacket to provide comprehensive coverage for the back.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

What is the intended use for this back protector?

Answer of Generated by AI and verified

The Alpinestars Nucleon Plasma Full Back Protector is designed specifically for motorcycle riders to enhance their safety and protection while riding.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Is this protector comfortable for long rides?

Answer of Generated by AI and verified

Yes, comfort is a key feature. The protector is designed to be ultra-adaptive, flexible, and lightweight. It also features extensive ventilation and a soft-touch inner liner to enhance rider comfort, even on longer journeys.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

Is this a standalone back protector or an insert?

Answer of Generated by AI and verified

This is a back protector insert. It is designed to be fitted into the dedicated pocket of a compatible Alpinestars motorcycle jacket.

* Generated by AI based on customer and product data

2026-09-13

Generated by AI and verified

How does the Alpinestars Nucleon Plasma Full Back Protector compare to the Zandona Shield Evo X7 Back Protector?

Answer of Generated by AI and verified

The Alpinestars Nucleon Plasma Full Back Protector features Level 2 CE certification and advanced ventilation, providing a balance of protection and comfort. The Zandona Shield Evo X7 Back Protector does not have specific specs listed for comparison.

* Generated by AI based on customer and product data

2025-12-06

Gonzalo

Hello, good afternoon. I wanted to know if this protector, in size L, is compatible with my ALPINESTARS BOGOTÁ PRO DRYSTAR jacket in size XXL. Or if, on the contrary, it won´t fit because it´s too long. I look forward to your reply. Thank you very much and best regards.

Answer of SUMEYYA

Hello i used it for my L size Apinestars Bogota jacket and i guess it fits your xxl Apinestars Bogota jacket too.

Answer of Delmar

Good evening, that works perfectly.

* Generated by AI based on customer and product data

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Frequently bought together

Best sellers

Use cases

Street Riding & Urban Commuting 100% Fit

This protector provides Level 2 certified protection, offering a solid upgrade for regular street riders and commuters. Its highly ventilated design ensures superior airflow and breathability, enhancing comfort during daily rides and in stop-and-go city traffic.

CE EN 1621-2:2014 Level 2 Certification,Highly ventilated for superior airflow,Full Back Protector Insert design

Motorcycle Touring 90% Fit

For long-distance touring, sustained comfort and reliable protection are essential. This insert offers CE Level 2 impact resistance for peace of mind on extended journeys, while its high ventilation helps manage temperature over many hours in the saddle.

CE EN 1621-2:2014 Level 2 Certification,Highly ventilated for superior airflow and breathability,Full Back Protector Insert

Spirited Canyon or Track Day Riding 80% Fit

Riders engaging in more performance-oriented riding will benefit from the high standard of CE Level 2 protection. The insert design allows it to be integrated into a compatible leather suit or jacket, providing a solid performance upgrade for users.

Impact Protection: Level 2,CE EN 1621-2:2014 Level 2 Certification,Bio-based and high-performance polyurethane material

Off-Road Riding 70% Fit

While designed as an insert for road-oriented jackets, the Level 2 protection is also beneficial for off-road scenarios where impacts can occur. The high ventilation is a significant advantage for managing heat during physically demanding trail riding.

Impact Protection: Level 2,Highly ventilated for superior airflow,Full Back Protector Insert

Best for

Best for Riders

This protector meets the stringent CE EN 1621-2:2014 Level 2 certification, offering a high standard of impact resistance for maximum confidence on the road.

Protection level: level_2, Certifications: CE_EN_1621-2 (the following standards apply to this product: Back Protector: Category II EN 1621-2:2014 Level 2)

Ideal for Upgraders

Featuring a blend of bio-based materials and high-performance polyurethane, this protector provides Level 2 protection while its high ventilation ensures superior airflow.

Material: bio-based materials and high performance polyurethane (a blend of bio-based materials and high performance polyurethane), Ventilation: yes (Highly ventilated for superior airflow and breathability), Protection level: level_2

A Great All-Rounder

With its highly ventilated design for breathability and certified Level 2 full back coverage, it offers a balanced combination of comfort and solid performance for varied riding conditions.

Coverage type: Full Back Protector Insert, Ventilation: yes (Highly ventilated for superior airflow and breathability), Protection level: level_2

Benefits

FunctionalRide with Certified Level 2 Protection

Enjoy peace of mind knowing your back is shielded by a protector that meets rigorous safety standards. This insert is certified as a Category II EN 1621-2:2014 Level 2 Back Protector, providing a high standard of impact safeguarding for motorcycle riding.

Certifications: CE_EN_1621-2 (the following standards apply to this product: Back Protector: Category II EN 1621-2:2014 Level 2)

Impact protection: level_2

FunctionalStay Cool and Comfortable on Every Ride

Experience enhanced comfort, even on long journeys, thanks to a design focused on airflow. This back protector is highly ventilated, promoting superior airflow and breathability to help keep you cool and reduce heat buildup under your gear.

Ventilation system: Yes

FunctionalInvest in Innovative Material Technology

Own a piece of gear that reflects a commitment to innovation and quality. This protector is constructed from a blend of bio-based materials and high-performance polyurethane, showcasing Alpinestars' dedication to advanced material science for rider safety.

Brand: alpinestars

Ideal buyer profiles

The Rider

This rider prioritizes maximum protection above all else. They research safety ratings and certifications before making any gear purchase and are willing to invest in equipment that offers the highest level of impact resistance for daily commutes, track days, or long-distance tours.

This product meets their needs with its CE EN 1621-2:2014 Level 2 certification, which signifies a high standard of impact protection. The full back protector insert design ensures comprehensive spinal coverage, directly addressing their primary concern for safety on the road.

Ideal Buyer

This rider enjoys motorcycling as a recreational activity, typically on weekends or during fair weather. While they may not ride daily, they still value reliable protection and comfort for their spirited rides through canyons or countryside tours.

This protector provides the dependable CE Level 2 safety that gives weekend riders peace of mind. Its high ventilation is a key benefit for comfort on warm-weather rides, and its design as an insert makes it a simple and effective upgrade for their favorite riding jacket.

Competitive features

When evaluating back protectors, key considerations include certification level, comfort, and the technology used for impact absorption. We're comparing the Alpinestars Nucleon Plasma Full Back Protector against several alternatives, including another model from Alpinestars and various options from Zandona, to see how its unique features stack up.

Where it excels

The Nucleon Plasma Full Back Protector stands out with its proprietary Nucleon Plasma Technology, an eco-friendly material designed for an optimal balance of force dispersion and flexibility. It holds both Level 2 CE and UKCA certifications, providing a high standard of verified protection. Designed for superior comfort, it is described as extremely lightweight and features extensive ventilation for enhanced airflow and breathability during rides.

Consider alternatives if...

The provided comparison data does not highlight specific areas where competitors have a distinct advantage over the Nucleon Plasma protector based on the available attributes.

Verdict

The Alpinestars Nucleon Plasma Full Back Protector is a strong choice for riders seeking advanced, certified protection without compromising on comfort. Its use of Nucleon Plasma Technology, combined with its lightweight and highly breathable design, makes it a modern and compelling option in its category. While competitors are similarly priced, the Plasma's unique material and dual certification give it a distinct edge.

Specs comparison

	Alpinestars Nucleon Plasma Full back protector	Alpinestars Nucleon Kr Cell Back Protector	Alpinestars Nucleon Kr 2 Back Protector	Alpinestars Nucleon Kr Celli Protector Back Protector	Alpinestars Nucleon Flex Proi Back Protector	Alpinestars Nucleon Plasma Back Protector
Material	bio-based materials and high performance polyurethane	polymeric	-	-	-	bio-based materials and high performance polyurethane
Ventilation	Yes	Yes	Yes	Yes	Yes	Yes
Impact Protection	Level 2	-	Level 2	Level 1	Level 2	Level 2
Used For	motorcycles	motorcycles	motorcycles	motorcycles	motorcycles	motorcycles
Ventilation System	Yes	Highly perforated shell design for maximum airflow and breathability	Air Channeling System	high	Yes	-
Protection Level	Level 2	-	Level 2	Level 1	Level 2	Level 2
Coverage Type	Full Back Protector Insert	Back Only	Back Protector	Back Only	Back Only	Back Protector Insert

Specs vs competitors

	Alpinestars Nucleon Plasma Full back protector	Zandona Shield Evo X5 Back Protector	Zandona Shield Evo X7 Back Protector	Zandona Shield Evo X8 Back Protector	Zandona Shield Evo X9 Back Protector	Zandona Airnet S Back Protector
Material	bio-based materials and high performance polyurethane	transpiring and anti-bacterial material	transpiring and anti-bacterial material	transpiring and anti-bacterial material	S.R.T.	-
Ventilation	Yes	Yes	Yes	Yes	Yes	Yes
Impact Protection	Level 2	Level 1	Level 1	Level 1	Level 1	Level 2
Used For	motorcycles	motorcycles	motorcycles	motorcycles	motorcycles	motorcycles
Ventilation System	Yes	Perforated Panels	Perforated Panels	Perforated Panels	Perforated Panels	AIRnet Technology
Protection Level	Level 2	Level 1	-	Level 1	Level 1	Level 2
Coverage Type	Full Back Protector Insert	Back Only	Back Only	Back Only	Back Only	Back Protector