http://kb.florsheim.com/activekb en-us http://kb.florsheim.com/activekb N/A fsnook@florsheim.com Fri, 20 Nov 2009 20:38:27 CST 20 http://kb.florsheim.com/activekb/questions/18/What-does-%26%2334%3BAirport-Friendly%26%2334%3B-Mean%3F Airport Friendly Shoes do not have metallic shanks.  They are reinforced with a shank that is a man-made material of Thermal Plasti or Fiberglass.     ... Fawn Snook Wed, 28 Oct 2009 00:00:00 CDT