Hi, If there's a name for this, I don't know it. I'd just say 'a plastic hat'. id=GtsQINc5dboC&pg=PA43&lpg=PA43&dq=operating+surgeons+%22plastic+hat%22&source=web&ots=hVxoUXG7D4&sig=Hq8SvDaJYkP4D-cWM4Cgl9R1T4o In the theater unit, referred to as “ surgery ” in the US, clogs, gown, mask, gloves, and a plastic hat are compulsory dress.
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