2026 Alpinestars A-4 Plasma Chest Protector

2026 Alpinestars A-4 Plasma Chest Protector - Motocross & Enduro Body Armour

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.

2026 Alpinestars A-4 Plasma Chest Protector Features:

• Featuring a removable floating chest comprising a thermoformed outer shell and EVA protector mounted on a 3D mesh for the optimum blend of protection, light weight, adaptability, flexibility, and superior airflow and breathability.
• The Cell technology back protector is engineered with a flexion groove strategically positioned to perfectly follow the curvature of the spine for maximum adaptivity.
• The back protector is equipped with a removable puck for BNS compatibility.
• The Bionic Pro V3 PLASMA Protection Jacket is constructed from a breathable stretch mesh to offer high levels of ventilation.
• The Nucleon PLASMA elbow and shoulder protectors are mounted on a highly breathable slim fit stretch mesh chassis for an enhanced performance fit.
• Strategically positioned padding on the biceps and chest for additional tire roost coverage.
• Constructed from USDA certified bio-based eco-friendly and sustainable impact absorbing material.
• Central front zipper for ease of use and greater practicality.
• BNS compatible with a removable back puck panel and elastic BNS pull tabs.
• Cell Technology back protector is highly ventilated and flexible.