Is the A-4 Plasma Chest Protector CE-certified?

Yes, this chest protector meets CE certification standards for impact protection. The semi-rigid thermoplastic polyhedron chest plate and Nucleon PLASMA back protector are engineered to provide certified protection for off-road and motocross riding.

Does this chest protector include back protection?

Yes, the A-4 PLASMA includes integrated Nucleon PLASMA back protection. This provides comprehensive front and back coverage in a single, anatomically profiled unit designed specifically for off-road riding.

How does the A-4 Plasma fit under a jersey or jacket?

The A-4 PLASMA features an anatomically profiled, low-profile design that fits comfortably under motocross jerseys and off-road jackets. The lightweight construction and breathable materials ensure it doesn't add excessive bulk while maintaining full protection coverage.

Can this chest protector be worn for all types of off-road riding?

Yes, the A-4 PLASMA is engineered for all forms of off-road riding including motocross, enduro, trail riding, and off-road adventure. Its adaptive design and comprehensive protection make it suitable across different off-road disciplines and riding intensities.

Is the A-4 Plasma Chest Protector breathable for hot weather riding?

Yes, the A-4 PLASMA is specifically designed with breathability in mind. The thermoplastic polyhedron structure and Nucleon PLASMA back protector allow airflow while maintaining protection, making it suitable for warm weather off-road riding conditions.

A-4 Plasma Chest Protector

5 | 3 reviews

A-4 Plasma Chest Protector

motocross | body protectors

$189.95

Color:Black/Red/White

Anatomically profiled for all forms of off-road riding, the A-4 PLASMA Chest Protector features a semi-rigid thermoplastic polyhedron design chest protector and a Nucleon PLASMA back protector that are engineered to be lightweight, breathable, comfortable, adaptive, and protective.

• Nucleon PLASMA Back Protector: Constructed from USDA Certified Biobased viscoelastic material, this protector offers multi-directional pliability and a contoured fit for effective impact energy dissipation.
• Geodesic Chest Armor: Features a lightweight, ultra-ventilated outer shell inspired by geodesic polyhedrons, providing high structural strength and maximum airflow with minimal material.
• Adaptive Fit: Over-injected flexible side wings follow the body's natural contours to ensure superior comfort and unrestricted freedom of movement while riding.
• Extended Coverage: Includes highly perforated, adjustable, and detachable rib and shoulder padding to provide targeted protection against tire roost and impacts.
• BNS Compatibility: Integrated elasticated pull tabs on the soft tactile thermoformed shoulder pads allow for seamless integration with Alpinestars Bionic Neck Supports.

• USDA Certified Biobased Nucleon PLASMA back protector provides high-performance impact force dispersion and absorption.
• Geodesic polyhedron chest shell delivers structural strength and robust protection against impacts.
• CE Level 1 certified back protector: EN 1621-2:2014.
• CE Level 1 certified chest protector: EN 1621-3:2018.
• Perforated 3D mesh chassis and padding offer reliable defense against tire roost.
• Over-injected flexible side wings ensure a secure fit for consistent protection coverage.
• Adjustable and detachable rib and shoulder padding for customizable impact protection.
• Bionic Neck Support (BNS) compatible via integrated elasticated pull tabs.

• According to European statutory law, the CE mark is a conformity requirement for the marketing of this product. The following standards apply:
• Back protector: EN 1621-2:2014 LEVEL 1
• Chest protector: EN 1621-3:2018 LEVEL 1