What all do I need to buy? From the smallest to the largest for safety.
it means when you leave you sign out and when you come back you sign in. Same for your guess.they know who, when, people come and go
You will need a Fire Suit (racing attire) and shoes and your clothing will require certification..
I saw one in a pawn shop a couple years ago. It had a letter of authenticity. They wanted 2500.00 dollars for it.
Even if you could find one, it wouldn't be cheap. If you know a seamstress, she could sew one for your dad. You might want to consider a jacket or a cap.