Description
The Alpinestars A-4 Plasma Roost Guard in Black/Red/White (XL/2XL) is engineered for comprehensive off-road protection. Featuring a semi-rigid thermoplastic polyhedron chest protector and a Nucleon Plasma back protector made from viscoelastic, bio-based polymers, this guard ensures exceptional impact force dispersion and absorption. Its lightweight, highly ventilated structure maximizes coverage and comfort across all riding positions. Adjustable shoulder and side straps allow for an optimized fit, while removable, highly perforated rib and shoulder padding offer customizable protection. The 3D mesh chassis and ribbed lining promote superior airflow and comfort, reducing skin contact and material tearing. Compatible with Bionic Neck Support and optional extended coverage kits, this eco-friendly protector meets EN 1621-2:2014 Level 1 (back) and EN 1621-3:2018 Level 1 (chest) certification standards.
Key Features:
- Lightweight, ultra-vented chest armor
- Flexible, impact-dissipating back protector
- Adjustable/removable rib and shoulder padding
- Eco-friendly, USDA certified materials
- Optimized anatomical fit for off-road riding
- Bionic Neck Support compatible
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