http://www.co.burlington.nj.us/departments...20for%20ADs.pdf
maybe this will help
it is also imperative that shoes worn on the mat are not worn off the mat...many of our wrestlers have slip on shower shoes to wear over their wrestling shoes while waiting for their matches in the stands
think about it...most won't wear shoes outside but...they're walking around a gym, restrooms, etc..in places where people are tracking in dirt and bacteria