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A126 LW UBACS Shirt - Black

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The A126 is a lightweight, under body armour shirt, or 'UBACS' for short. This shirt has seen action with military units throughout Europe and is now being adopted by UK Police Firearms units.

The torso fabric is made from eyeleted polyester which is highly breathable, very comfortable, and quick drying.

The arms are made from our signature 50/50 Ripstop which is available in multiple camos and colours. These include Cordura reinforced elbow pads which is an effective solution that offers great protection with minimal weight and bulk.

The low profile shoulder pocket is accessed with a single zip. We also added hook and loop Velcro to this pocket for patches.


• Breathable eyeleted polyester torso fabric
• 50/50 Ripstop Sleeves & shoulders
• Felled seams throughout for strength
• Adjustable hook and loop cuff
• Cordura reinforced elbow pads
• Low profile shoulder pocket with zipped entry
• Hook and loop for patches
• Bartacking at all key points of wear



Customer Reviews

Based on 20 reviews
C.G. (United States)
Comfortable and high quality, but...

Great shirt and good quality, but.. I laid on the ground one time to zero a rifle, and when I got up the thinner middle part was already showing bad pilling. Maybe it's only intended to be under a plate carrier, but it certainly did not handle rubbing against the ground for maybe 10 minutes. The rest of the shirt feels well made, but that front part... I dunno how long that will last at this rate...

Oliver A. (Australia)
Arktis A-126 UBACS - Flecktarn

The shirt is made out of a really high quality material on both the sleeves and inner torso segment, it is breathable which is perfect for the hot Australian Summer that I’ve been using it in, the Hook and Loop on the shoulders is sizeable allowing for plenty of room to mount your best ‘tacticool’ morale patches.

My only issue is that the Velcro for adjustment of the wrist is quite short leaving the adjustment flap hanging loose, however this isn’t that big of an issue and doesn’t alter the operational effectiveness of the shirt.

C. (United Kingdom)
A126 LW UBACS Shirt - Swedish M90

Very comfortable and practical and works well with a Mammoth Shirt when the temperature warrants it


Light-weight and very breathable which is awesome for regulating body temp. Keeps you warm but not too hot, and cool without being cold!


Perfect fit. Great quality. Exactly what I’d expect from arktis!

A126 LW UBACS Shirt - Black
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A126 LW UBACS Shirt - Black

Approx. shipping rates:

Delivery is available worldwide, and our small team ships orders 5 days a week: Monday to Friday. Please note dispatch times can be 1 week in busy periods.

Shipping within the UK is always sent using a tracked service.
A fast-tracked delivery service within the European Union which is available via UPS.
Customers are responsible for providing delivery instructions to ensure the security of their orders.
Price varies depending on the country. (For more Brexit info - click here)

Use the shipping rate calculator in the cart for a more accurate price. 
 Please note VAT, duty and courier admin charges may be applicable. Please check your specific countries import rules.

International orders (Incl/US/ Canada) are charged on a weight-based system.  Please go to the cart section to estimate shipping costs. This will usually be via UPS who provide an express service that takes 2-5 days to a large portion of the world. 

Free Shipping:
Free shipping is available for UK orders over £240. Also for all orders, you can get a free D200 face mask in Navy.
Please note that a standard Arktis jacket weighs approximately 2kg, so it is advisable to buy several items at the same time, in order to get the best value for shipping and to save on this cost in the future.
Whilst we aim to get all of our orders within a few days but please allow up to a week for dispatch and sourcing of items. In rare cases, we list part made items which require us to finish the products. In these cases, waiting time can be up to a week. You can always CONTACT US if you are unsure. 
UKDPD/ Other (2-4 Days after dispatch)£6
EUDPD/ Other (3-5 Days after dispatch)£14-21
Rest Of WorldDHL/UPS/RM (2-10 Days after dispatch)(Variable)
Not Available?Contact Us
PO Boxes are extremely difficult to send to. To avoid any delay a full address is preferred. We are able to send up to 2KG via Royal Mail worldwide, but anything above this weight we are unable to send. We will contact you for an alternate address. 
Orders placed in the UK, are required to pay VAT with each purchase. This cost is 20% of the purchase price, and will be included in the final price at checkout.
Countries outside of the UK including the EU are exempt from this; however, purchases may be subject to VAT & customs charges upon arrival. A small administration fee is also usually charged by customs.
*for really remote areas, delivery might take an extra day or two. (Planning an expedition up a mountain takes time ;)

Customers are responsible for ensuring safe locations for deliveries to be received. Our couriers prefer signed delivery but will deliver to safe locations when instructed by customers. We do not accept liability for packages being stolen from a customers designated safe location. 

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