ALPINESTARS A4 PLASMA BLACK / RED / WHITE CHEST PROTECTOR - M/L

The A4 Plasma Chest Protector is built for off-road riders who want low-profile protection without sacrificing coverage or comfort. Featuring a geodesic outer shell and a flexible Nucleon Plasma back protector made from bio-based viscoelastic material, this ultra-vented setup delivers serious impact performance with a fit that moves naturally with your body.

FEATURES

• CE Level 1 Nucleon Plasma back and chest protection
• Viscoelastic bio-based back protector flexes in all directions and disperses impact energy
• Geodesic chest shell maximizes strength with less material for a lightweight feel
• Over-injected flexible side wings improve comfort and mobility
• Detachable rib and shoulder pads for added roost and impact protection
• Optional Nucleon Plasma Extended Roost Kit compatibility (upper/lower chest panels + Y-strap)
• Adjustable shoulder and side straps for a secure, custom fit
• Soft thermoformed padding with ribbed airflow zones for breathability and skin comfort
• BNS (Bionic Neck Support) compatible with built-in pull tabs
• Certified to EN 1621-2:2014 (Back) and EN 1621-3:2018 (Chest)