The testers were given four different variations of the uniforms (Class A, B, C ... about the two-piece wear test visit the U.S. Navy Fleet Forces Command website. For more on Navy uniforms ...

The Navy Working Uniform Type I, known as "the blueberries" was a utility-style uniform constructed of 50/50 nylon cotton twill fabric. It is a four-color (deck gray, haze gray, black and Navy ...