Answer: tinhats

AnswerCrossword Clue
TINHATSOil field safety gear
TINHATSSoldiers' helmets, in slang
TINHATSSoldiers' helmets
TINHATSSoldier's toppers
TINHATSHelmets for G. I.'s.
TINHATSMilitary headgear
TINHATSProtective headwear
TINHATSProtective helmets
TINHATSProtective gear
TINHATSGIs' helmets, in slang