To Wear or Not to Wear PJs Is the Ultimate Air Travel Question

A traveler wearing Hello Kitty pajama pants at Myrtle Beach International Airport in South Carolina on Nov. 26. 

Photographer: Michael Nagle/Bloomberg

US Transportation Secretary Sean Duffy’s call for more civility in the skies comes down to a simple ask: Don’t wear pajamas in public.

But what if your PJs are first-class swag provided by the airline?