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.
Tru-Spec Short Sleeve Tactical Shirt. The shirt you wear helps define who you are as an individual, so do not settle for a shoddy shirt that falls apart after a few wears. The Tru-Spec Short Sleeve Tactical Shirt is designed to be both stylish and functional. It comes with two chest pockets for easy access to small items, and the left pocket even has a small opening for a pencil.
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.