The Camouflage T shirts are a Surplus store staple.
Armies tend to use solid colour T shirts, A Camo T Shirt is the defacto Global Military uniform for Kids playing Army!
Has also claimed a top spot in Pop culture fashion to the degree where it is recognized as its own colour, and does not particular reflect any military overtones.
Tag-less Collar.
Ring Spun
60/40 Cotton / Poly