Alpinestars A-4 Plasma Chest Protector

Features:

• Anatomically profiled for all forms of off-road riding
• 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 over-injected flexible side wings of the chest protector follow 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
• 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
• Bionic Neck Support compatibility via the BNS shoulder pull tabs

Protection:

• Back protector: EN 1621-2:2014 LEVEL 1
• Chest protector: EN 1621-3:2018 LEVEL 1
• Semi-rigid thermoplastic polyhedron design chest protector
• Nucleon Plasma back protector that are engineered to be lightweight, breathable, comfortable, adaptive, and protective
• 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
• The chest outer shell's design achieves the desired structural strength and imposed load performance when compared to flat or unfaceted surfaces
• Highly perforated, adjustable, and detachable rib and shoulder padding for additional rib and shoulder coverage against roost and impact
• The perforated 3D mesh chassis also offers additional protection against tire roost
• USDA certified bio-based eco-friendly and sustainable impact absorbing material