Careless talk costs lives! A take on British World War One propaganda whose origins go back to medieval times.  Also, a nice subtle shirt to wear at family gatherings.

.: 100% Cotton (fiber content may vary for different colors)
.: Medium fabric (6.0 oz/yd² (203 g/m²))
.: Classic fit
.: Tear-away label
.: Runs bigger than usual

Shhhhh! Keep it Under Your Hat!