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Alpinestars A-4 Plasma Chest protector
Kč3,799
Kč3,999
Tax included
as_A4plasma_chest_XXL
Alpinestars A-4 Plasma Chest Protector
Expertly designed for all-terrain performance, the A-4 Plasma Chest Protector is a lightweight, anatomically profiled solution for off-road riders seeking superior impact protection. Featuring a Nucleon PLASMA back protector and a geodesic polyhedron chest shell, it delivers CE Level 1 certified safety with exceptional airflow and flexibility. The system includes adjustable side straps and removable rib and shoulder padding for a customized, Bionic Neck Support compatible fit.
Size Guide Alpinestars
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Key features
Nucleon PLASMA Back Protector: Constructed from USDA Certified Biobased viscoelastic material, this protector offers multi-directional pliability and a contoured fit for effective impact energy dissipation.
Geodesic Chest Armor: Features a lightweight, ultra-ventilated outer shell inspired by geodesic polyhedrons, providing high structural strength and maximum airflow with minimal material.
Adaptive Fit: Over-injected flexible side wings follow the body's natural contours to ensure superior comfort and unrestricted freedom of movement while riding.
Extended Coverage: Includes highly perforated, adjustable, and detachable rib and shoulder padding to provide targeted protection against tire roost and impacts.
BNS Compatibility: Integrated elasticated pull tabs on the soft tactile thermoformed shoulder pads allow for seamless integration with Alpinestars Bionic Neck Supports.
Protection
USDA Certified Biobased Nucleon PLASMA back protector provides high-performance impact force dispersion and absorption.
Geodesic polyhedron chest shell delivers structural strength and robust protection against impacts.
CE Level 1 certified back protector: EN 1621-2:2014.
CE Level 1 certified chest protector: EN 1621-3:2018.
Perforated 3D mesh chassis and padding offer reliable defense against tire roost.
Over-injected flexible side wings ensure a secure fit for consistent protection coverage.
Adjustable and detachable rib and shoulder padding for customizable impact protection.
Bionic Neck Support (BNS) compatible via integrated elasticated pull tabs.
Construction
Back protector: EN 1621-2:2014 LEVEL 1
Chest protector: EN 1621-3:2018 LEVEL 1
Immediate Dispatch
Same day dispatch for orders placed before 12:00 PM
Shipping Options
Local Pickup - Prague 7
Pickup Point
Packeta (Zásilkovna) – Pickup PointsCZ – 65 Kč
SK – 91 Kč *
PPL ParcelShopCZ – 66 Kč
To Address
PPL – Home DeliveryCZ – 99 Kč
SK – 230 Kč *
Packeta (Zásilkovna) – Home DeliveryCZ – 109 Kč
SK – 145 Kč *
Other
International Delivery (outside CZ and SK)
Individual* Prices for Slovakia will be converted to EUR in the shopping cart based on the current exchange rate.
Delivery time is usually 2–3 business days.
Availability and Delivery Time
We always try to deliver your products as quickly as possible and at the lowest cost.
Payment Options
Standard Methods
Cash on Delivery Pay at the StoreOnline
Credit / Debit Card Online
Apple Pay
Google Pay
Online Bank Transfer
Bank Wire TransferInstallments
TWISTO Deferred Payment
Buy now, pay later
TWISTO Split into Thirds
Buy now, pay only a third
Google reviews 4.8 ★★★★★
Over 130 ratings from verified customers
What Our Customers Say
★★★★★
A great shop with a thoroughly professional yet human approach. I have been ordering from them for a long time and there has never been any problem. Communication works perfectly and you know where you stand right from the start.
Jakub Kváša – Google review
★★★★★
I now have my second Haro bike from Katmar Bike Center – this time an e-bike. Completely satisfied. Professional and helpful approach. I warmly recommend this shop.
Jaroslava Orgoň – Google review
★★★★★
Reliable. I bought a new chain, it turned out to be unsuitable, but exchanging it for another one was no problem.
Jan – Google review
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Alpinestars A-4 Plasma Chest Protector
Expertly designed for all-terrain performance, the A-4 Plasma Chest Protector is a lightweight, anatomically profiled solution for off-road riders seeking superior impact protection. Featuring a Nucleon PLASMA back protector and a geodesic polyhedron chest shell, it delivers CE Level 1 certified safety with exceptional airflow and flexibility. The system includes adjustable side straps and removable rib and shoulder padding for a customized, Bionic Neck Support compatible fit.