Alpinestars
Alpinestars A-4 Plasma Chest Protector - Black / Red / White
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DESCRIPTION
The Alpinestars A-4 PLASMA Chest Protector is engineered for motocross, enduro, and off-road riders seeking lightweight, highly ventilated protection with exceptional comfort and freedom of movement. Combining a geodesic thermoplastic chest protector with an advanced Nucleon PLASMA back protector, the A-4 delivers outstanding impact protection while maintaining excellent flexibility and airflow for demanding riding conditions.
Featuring adjustable shoulder and rib protection, adaptive side wings, and Bionic Neck Support compatibility, the A-4 PLASMA Chest Protector is built to perform across every off-road discipline.
Key Features
~ Lightweight geodesic thermoplastic chest protector delivers exceptional strength with maximum ventilation
~ USDA Certified Biobased Nucleon PLASMA back protector provides flexible, high-performance impact protection
~ Over-injected flexible side wings adapt to body movement for outstanding comfort and mobility
~ Adjustable and removable shoulder and rib padding allows riders to customise protection levels
~ Highly ventilated construction promotes excellent airflow for improved comfort in demanding conditions
~ Ergonomic anatomical design delivers a secure, performance-oriented fit
~ Compatible with Alpinestars Bionic Neck Support (BNS) systems via integrated elasticated pull tabs
~ Ideal for motocross, enduro, trail riding, and off-road competition
Protection
~ Geodesic polyhedron chest shell provides lightweight structural impact protection
~ USDA Certified Biobased Nucleon PLASMA back protector efficiently absorbs and disperses impact energy
~ Flexible side wings maintain secure protective coverage during aggressive riding movements
~ Adjustable and removable rib and shoulder padding enhances protection against impacts and roost
~ Highly perforated padding and 3D mesh chassis improve comfort while maintaining protection
~ Certified to the following European safety standards:
~ Back Protector: EN 1621-2:2014 Level 1
~ Chest Protector: EN 1621-3:2018 Level 1
Construction
~ Semi-rigid thermoplastic geodesic chest protector construction
~ Nucleon PLASMA back protector made from USDA Certified Biobased viscoelastic material
~ Highly breathable perforated 3D mesh chassis
~ Flexible over-injected side wing construction
~ Adjustable and detachable shoulder and rib padding
~ Soft-touch thermoformed shoulder panels
~ Integrated BNS-compatible elastic pull tabs
~ Lightweight ergonomic anatomical design
Technical Specifications
~ Intended Use: Motocross, Enduro, Trail Riding & Off-Road Competition
~ Chest Protection: CE Level 1 EN 1621-3:2018
~ Back Protection: CE Level 1 EN 1621-2:2014
~ Armour Technology: Nucleon PLASMA USDA Certified Biobased Viscoelastic Back Protector
~ Chest Construction: Semi-Rigid Geodesic Thermoplastic Shell
~ Chassis: Highly Ventilated 3D Mesh
~ Side Protection: Flexible Over-Injected Side Wings
~ Shoulder & Rib Protection: Adjustable & Removable Padding
~ Neck Brace Compatibility: Alpinestars Bionic Neck Support (BNS) Compatible
Combining lightweight construction, advanced ventilation, and race-proven protection, the Alpinestars A-4 PLASMA Chest Protector delivers outstanding comfort and confidence for riders tackling everything from technical trails to competitive motocross tracks.
SHIPPING
SHIPPING
Orders can be shipped from either Auckland, Hamilton, Kihikihi, New Plymouth, Wellington or Christchurch warehouses. Depending on the location of items you have ordered, Motozone will ship your purchase from the closest location where possible.
New Zealand
Free shipping on order over $199.00.
For orders under $199.00, shipping throughout New Zealand is $7.99 for Urban and $12.99 for Rural Shipping.
In most cases shipping is overnight however it can take 2-3 days depending on time/day the order was placed. If delivery is to a rural address please allow a couple of extra days. We can ship to your place of work!
Australia
Free shipping on order over $199.00.
For orders under $199.00, shipping throughout Australia is $19.99
Delivery takes approx. 5-10 days delivery.
RETURNS
RETURNS
Any goods purchased from Motozone can be returned within 30 days of receipt for refund or exchange.
The goods must be returned new, unused, unaltered, not previously installed, and in a sellable condition with all of the original packaging.
This right of return will not cover items that are special orders and found to be an incorrect fit, this is the responsibility of the purchaser, however all other standard warranties will apply.
Freight costs will not be refunded.
For the returns process contact or phone Motozone with your invoice number and the reason for return. We will then email you the correct form for processing.