Alpinestars A-4 Plasma Roost Guard
A-4 Plasma Roost Guard
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 Back protector: EN 1621-2:2014 Level 1 Chest protector: EN 1621-3:2018 Level 1 40% Polyurethane, 25% Ethylene-Vinyl Acetate, 12% Thermoplastic Elastomer, 11% Polypropylene, 10% Polyester & 2% Other
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- BrandAlpinestars
Description
Article no.: 27011507
| Base Color: | Black| Red| White |
| Color/Finish: | Black| Red| White |
| Gender: | Men's |
| Model: | A-4 Plasma |
| Research Value: | Finalized |
| Riding Style: | Adventure Touring / Dual-Sport| ATV| Off-Road| UTV |
| Size Group: | Adult |
| Style: | Roost Guard |
| Type: | Chest |
| Units: | Each |