Alpinestars A-4 Plasma Chest Protector MD/LG
Description
- 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
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