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

motocross

Regular price: $189.95

Size

Size guide

Color Black/Red/White

Product variants

30 days for exchanges & returns

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