Alpinestars A4 Plasma Chest Protector
Alpinestars A4 Plasma Chest Protector
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Anatomically profiled for all forms of off-road riding, the A-4 Plasma Chest Protector 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 bio-based 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 area in all riding positions.
Lightweight and ultra-vented chest armor: The chest outer shell’s design is based on geodesic polyhedrons, and like a geodesic dome, less material is needed to achieve the desired structural strength and imposed load performance when compared to flat or unfaceted surfaces.
This results in a protector where the whole is greater than the sum of all its parts, making the new A-4 Plasma Chest Protector supremely light-weight and ventilated.
The over-injected flexible side wings of the chest protector perfectly follow the body’s contours for superior 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.
Rib and shoulder coverage: A-4 Plasma Chest Protector features highly perforated, adjustable and detachable rib and shoulder padding for additional 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.
PROTECTION:
– Back protector: EN 1621-2:2014 LEVEL 1
– Chest protector: EN 1621-3:2018 LEVEL 1

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DESPATCH TIMES.
We will get your order out as soon as we can! Below is an estimate of when your order will be shipped.
Store stock: 1 business day.
Warehouse stock: 3 business days.
Helpful info.
Don't know your size?
Please click on the brand to see relating size charts. These are a guide to help you find the correct fit.
If you have any queries regarding sizing, please get in touch with us via email or give us a call.
E: info@highside.com.au
T: 03 9290 9849
Get in touch with us.
Need to ask us something?
Call us on 03 9290 9849 or email us at info@highside.com.au.
Shipping Times
Free Shipping
We offer free shipping on all orders over $199 within Australia! We use standard Auspost shipping. Orders that that do not meet this threshold will incur a shipping fee of $10.
Express Shipping
Need something in a hurry?
We offer an express shipping option through Australia Post. The cost of express shipping is $15.
Handling Time
We aim to have your order dispatched within 1-3 days. This does not take into account public holidays and weekends.
Shipping Time
We use standard Australia Post to send your order. Below is an estimate of expected shipping lead times. Please note that these delivery times represent the shortest and longest expected lead times.
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Destination
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Australia Post Delivery Time
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Australian Capital Territory
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3 to 11 business days
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New South Wales
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4 to 10 business days
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Northern Territory
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7 to 14 business days
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Queensland
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5 to 11 business days
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South Australia
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6 to 9 business days
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Tasmania
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6 to 14 business days
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Victoria
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2 to 8 business days
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Western Australia
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9 to 15 business days
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If you opt for express shipping, you will receive your order in approx. 1-3 business days after despatch depending on your location.
International Shipments
At this stage, Highside does not ship overseas through our online store. If you overseas, please get in touch with us at info@highside.com.au and we can prepare a custom quote for you.