Reference Manual 43 - National Park Service

Retaining straps must be brown, dark gray, dark-green, or black. Glasses on straps must hang so that neither the strap nor glasses obscure the badge or name tag. Belt Cases. Cases for glasses, Leatherman(-type tools, gloves, and similar items must be either dark brown or black. Umbrellas. Must be black when used in public view. Obsolete Uniform ... ................
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