A-6 Plasma Chest Protector

Regular price
Engineered to offer the best protection to MTB riders, the low-profile, A-6 PLASMA Chest Protector provides high impact p... Read more.
SizeSize guide
Color Black/Anthracite/Red
In stock, dispatched within 24h!

Sportswear code FREESHIPPING for free delivery from 40€

Free shipping above 100€

Free returns 30 days

5% off first order to email subscribers

Engineered to offer the best protection to MTB riders, the low-profile, A-6 PLASMA Chest Protector provides high impact protection, perfect for all gravity activities in the mountains or at the bike park.
Alpinestars’ innovative Nucleon PLASMA back protector offers high levels of ventilation and flexibility thanks to its structural composition that is highly adaptable and contours perfectly to your body and offers maximum comfort when riding your bike. The adjustable quick release system provides a customized fit, while keeping the protector securely in place when on the trails.
EAN 8059347378862
SKU 1653424-1036-S
Image 47285541503311

A-6 Plasma Chest Protector

  • The chest protector features extensive, strategically positioned perforation zones for excellent breathability and ventilation.  
  • The Nucleon PLASMA back protector is extensively perforated to maximize the airflow and cooling ventilation to the rider.
  • Designed to provide optimal comfort, the A-6 Plasma Chest Protector with its lightweight design offers high levels of breathability and airflow.
  • Thermoformed padded chassis, padded side wings and Soft-touch 3D mesh on the skin-side of the back protector, offer optimal rider comfort.
  • Back Protector: EN 1621-2:2014 Level 2.
  • Chest Protector: EN 1621-3:2018 Level 1.
  • Back protector made from bio-based Nucleon PLASMA Technology to absorb impacts.
  • Chest protector plastic shells are constructed from a high-performance polymeric material blend for optimized flexibility and excellent weight saving properties.
  • Adjustable quick release waist system allows for a customized fit and ensures protection always remains secure and close to the body.
  • Articulated front plate for maximum freedom of movement.
  • The flexible front side wings move independently and adapt to the natural contours of the body.
Image 47284047839567
Image 47284073890127


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

Image 47284479754575


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.

Image 47284199293263


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.

Image 47284339802447


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.

Image 47284629078351

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.


A-6 Plasma Chest Protector

A-6 Plasma Chest Protector

downhill |1 color
Regular price
From £169.99
Missile Tech Racer Helmet

Missile Tech Racer Helmet

downhill |2 colors
Regular price
A-Supra Race Pants

A-Supra Race Pants

downhill |2 colors
Regular price
From £199.99
A-Supra Shield Gloves

A-Supra Shield Gloves

downhill |2 colors
Regular price
Vector Tech Zeal Helmet

Vector Tech Zeal Helmet

downhill |4 colors
Regular price