Clean room tyvek coveralls that cover head to toe. You'll see them in automotive paint shops and electronic rooms. This was a hypersonic lab so even a strand of

Clean room tyvek coveralls that cover head to toe. You'll see them in automotive paint shops and electronic rooms. This was a hypersonic lab so even a strand of hair, blown at +2000mph, could do serious damage to equipment. And since I was working between classes it made it easier to change.