A-4 Plasma Roost Guard — M/L, Black, Red, White

ALPINESTARS(MX) A-4 Plasma Roost Guard — M/L, Black, Red, White

2701-1507
6500526-132-ML
Anatomically profiled roost guard featuring Nucleon Plasma back protection, ultra-vented chest armor, adjustable straps, and removable shoulder padding for off‑road performance and comfort.
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€146.36
€172.73
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Lightweight, ventilated roost protection engineered for off-road performance 🛡️🌬️🌱

  • Anatomically profiled for all forms of off-road riding for a secure, non-restrictive fit.
  • Semi-rigid thermoplastic polyhedron chest protector combined with a Nucleon Plasma back protector engineered to be lightweight, breathable, adaptive, and protective.
  • Highly flexible Nucleon Plasma back protector constructed from viscoelastic, biobased polymers that dissipate and absorb impact energies while remaining pliable in all directions.
  • Ultra-vented chest armor and a chest outer shell shaped to achieve structural strength without the bulk of flat surfaces.
  • Over-injected flexible side wings follow the body contours for comfort and freedom of movement.
  • Optional Race Kit compatibility — designed to accept the Nucleon Plasma Extended Roost Coverage kit, including upper and lower chest extensions and a Y-strap system to use the chest without the back protector.
  • Highly perforated, adjustable, and detachable rib and shoulder padding for additional coverage against roost and impacts.

Construction and fit details:

  • Adjustable shoulder and side straps for an optimized performance fit.
  • Removable soft thermoformed shoulder padding for enhanced rider comfort.
  • Soft, ribbed lining on the back protector for superior airflow and reduced skin contact, preserving structure and reducing material wear.
  • Perforated 3D mesh chassis adds protection against tire roost.
  • Bionic Neck Support compatibility via BNS shoulder pull tabs.

Materials and certification:

  • USDA certified bio-based, eco-friendly impact absorbing material.
  • Back protector: EN 1621-2:2014 Level 1.
  • Chest protector: EN 1621-3:2018 Level 1.
: 2701-1507
In Stock

Data sheet

Type
Chest
Units
Each
Color/Finish
Black, Red, White
Base Color
Black, Red, White
Style
Roost Guard
Gender
Men's
Size
M/L
Size Group
Adult
Brand
ALPINESTARS