Alpinestars A-5 Plasma Chest Protector Motorcycle Personal Care

The Alpinestars A-5 PLASMA Chest Protector is anatomically profiled for all forms of off-road riding, including Motocross (MX) and Supercross. This protector integrates advanced Nucleon PLASMA technology and semi-rigid thermoplastic shells for a lightweight, highly breathable, and supremely protective rider experience.

Key Protection Features and Certifications 

Engineered to offer effective impact force dispersion and absorption, the A-5 PLASMA utilizes cutting-edge materials and a highly adaptable fit.

• Composite Nucleon PLASMA Technology: Features composite Nucleon PLASMA material, which is a viscoelastic compound engineered from USDA-certified bio-based polymers. This material is pliable yet highly effective at dissipating impact energies.

• Level 2 CE Certified: Both the chest and back protectors meet the highest safety standards:

  • Back Protector: EN 1621-2:2014 LEVEL 2 

  • Chest Protector: EN 1621-3:2018 LEVEL 2 

• Adaptive Fit: Protectors feature an adaptive fit that perfectly follows the body’s contours, offering superior comfort and essential freedom of movement in the riding position.

• Ribbed Structure: The Nucleon PLASMA protectors are ribbed for superior airflow and minimized material contact with the skin.

Construction and Airflow Optimization 

The protector is built on a foundation of breathability and sustainable materials, ensuring comfort during intense riding sessions.

• Highly Perforated 3D Mesh Chassis: The CE-certified chest and back protectors are mounted on a highly perforated 3D mesh base, ensuring superior airflow and breathability while also offering additional protection against tire roost.

• Semi-Rigid Shells: Features semi-rigid thermoplastic chest and back protector shells engineered for lightweight durability and protective coverage.

• Adjustable Straps: Equipped with adjustable shoulder and side straps for an optimized and secure performance fit.

• Independent Side Wings: The side wings are independent of the main semi-rigid chest shell, guaranteeing a fully adaptive and comfortable fit.

• BNS Compatibility: Includes Bionic Neck Support (BNS) compatibility via dedicated shoulder pull tabs.

• Removable Padding: Features removable, soft tactile, thermoformed shoulder padding for enhanced rider comfort.