Patrolling in T shirts?

[25sizzle]

I read somewhere that because of the heat in Afghanistan soldiers are allowed to patrol in there T shirts (obviously with there webbing and protectiive gear on though) is this true or not? if it is then pictures would be appreciated
thx guys!
PS sorry if it is in the wrong section but i wasnt sure on where 2 put it

 

[03USMC]

That would be the call of the unit commander. It's been done Iraq,

 

[KJ]

It does occur.
Unit commanders decision.