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.
USA TODAY. Combat by design: Army unveils new camouflage pattern. The T-shirt worn under the combat uniform and the belt will shift from Desert Tan colors to Tan 499, which also skews slightly darker, to better complement the pattern. The phase-out plan for the old boots, belt and shirt remains unclear.