Because brown adipose cells function primarily as energy consumers and white adipose cells function primarily as energy stores, the common origin of these cells has been debated. In general, brown and white adipose cells are not found together; they form distinct tissues.
Benefits of the Tru-Spec Tactical Shirt: Important Things to Consider before Purchasing the Short Sleeve Tactical Shirt: The Tru Spec tactical shirt is designed to look and feel good so that you will want to wear it as often as you can.
The Patrol Cap is worn with the ACU for garrison duty; and the beret with the Army Service Uniform for non-ceremonial functions. The Army Blue Service Cap, is allowed for wear by any soldier ranked CPL or above at the discretion of the commander. Body armor in all units is the Improved Outer Tactical Vest, which is now being supplemented with the lightweight Modular Body Armor Vest and Soldier Plate Carrier System. Head protection is provided by the Advanced Combat Helmet and Modular Integrated Communications Helmet, which are being replaced in deployed units by the Enhanced Combat Helmet.