The A-4 Plasma Roost Guard is anatomically profiled for all forms of off-road riding, delivering adaptive protection and comfort.
It integrates a semi-rigid thermoplastic polyhedron chest protector and a highly flexible Nucleon Plasma back protector made from viscoelastic, bio-based polymers engineered to dissipate impact energies.
Lightweight and ultra-vented, the system offers broad coverage in all riding positions with over-injected flexible side wings that follow the body’s contours for freedom of movement.
Perforated, adjustable, and detachable rib and shoulder padding add roost and impact protection, while the perforated 3D mesh chassis improves airflow and reduces material contact with the skin.
Compatible with an optional Race Kit that extends upper and lower chest coverage and includes an additional Y-strap system to use the chest protector standalone.
Certified protection: back protector EN 1621-2:2014 Level 1, chest protector EN 1621-3:2018 Level 1.
Materials: blend of polyurethane, ethylene-vinyl acetate, thermoplastic elastomer, polypropylene, polyester and other fibers for sustainable, bio-based impact absorption. 🛡️
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