ALPINESTARS

Roost Grd A-4 Plasma Blk/red/wh M/l

Part # 2701-1507

• —Anatomically profiled for all forms of off-road riding
• —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
• —Key Features
• —Highly flexible Nucleon Plasma Back Protector constructed from viscoelastic material engineered from biobased polymers and formed into a structure that is pliable in all directions while maintaining the ability to dissipate impact energies
• —Lightweight and highly ventilated, this protector offers strong impact force dispersion and absorption while ensuring maximum coverage areas in all riding positions
• —Lightweight and ultra-vented chest armor
• —The chest outer shell’s design achieves the desired structural strength and imposed load performance when compared to flat or unfaceted surfaces
• —The over-injected flexible side wings of the chest protector follows the body's contours for comfort and freedom of movement
• —Optional Race Kit — Engineered to be compatible with the Nucleon Plasma Extended Roost Coverage kit which includes Upper and Lower Chest Extensions, and an additional Y-Strap System to use the A-4 Chest without the back protector
• —Features highly perforated, adjustable, and detachable rib and shoulder padding for additional rib and shoulder coverage against roost and impact
• —Construction
• —Equipped with adjustable shoulder and side straps for an optimized performance fit
• —Removable soft tactile thermoformed shoulder padding for enhanced rider comfort
• —The lining on the back protector offers a soft tactile feeling against the skin while maintaining the integral structure of the protectors and reducing the risk of any material tearing
• —The lining is ribbed for superior airflow while also reducing the amount of material that is in contact with the skin
• —The perforated 3D mesh chassis also offers additional protection against tire roost
• —Bionic Neck Support compatibility via the BNS shoulder pull tabs
• —USDA certified bio-based eco-friendly and sustainable impact absorbing material