McQuarrie 's image of Darth Vader had developed from Samurai armour .
Mollo built up a costume using a combination of clerical robes , a motorcycle suit , a German military helmet and a gas mask from Bermans and Nathans costumiers in Camden Town .
McQuarrie 's image of Darth Vader had developed from Samurai armour , and Mollo built up a costume using a combination of clerical robes , a motorcycle suit , a German military helmet and a gas mask from Bermans and Nathans costumiers in Camden Town .