Also known as UBACS, which stands for Under Body Armour Combat Shirt, the classic combat shirt is fighting upper garment, designed specifically to be worn under body armour in warm and hot weather. Its main body is made of high-performance, lightweight and breathable material that absorbs and wicks sweat therefore keeps the wearer cool and comfortable even in very hot conditions. What is more the shirt?s torso zips up to the neck which allows easy donning and doffing while keeping slings, straps and brass off the neck. In the majority of combat shirts offered the long arms are made of durable ripstop material and go with Velcro adjustable cuffs, elbow reinforcements, or padding on the forearm, upper arm and shoulders. Regardless the make located on the upper arms are large patch pockets, big enough for admin paperwork or maps. These pockets are additionally covered in soft Velcro for the attachment of rank patches, blood patches, etc. Some of the combat shirts also feature lower arm pockets. Available at the UK based Military 1st online store is a wide range of quality combat shirts, in variety of colours and patterns, including genuine MultiCam and DPM camo, from such renowned brands like 5.11 and Helikon.