Okay. First off no laughing. This is what my buddy and I use under or clone trooper armor. Yes it is ladies clothing, but it was the closest material we could find. It isn't that bad on the heat side due the looser weave.
http://www.roamans.com/clothing/Rib-knit-Square-neck-tunic.aspx?PfId=82860&DeptId=9816&ProductTypeId=1&PurchaseType=3&pref=cs&pos=2
They have pants, shirts, tunics, etc. We bought pants and shirts plus a tunic all in black for extra material to make the neck piece. I just hemed the pieces for a better fit and cut off the excess. I am sure Debbi could do a much better job with it, but it works and is really close to the look.
