The invention concerns a hood (4, 4', 4", 4"') for a cleanroom gown (1), the hood comprising a base body (8) defining an outside (16) and an inside (12) adapted to receive a head of an operator (10), the base body having a visor opening (18) having a lower border (22) and an upper border (28), wherein the hood includes a visor (30) fixed in the visor opening (18), wherein the visor comprises a visor circumference (52) with an upper border (34) and a lower border (32), the lower border comprising a nose cut-out (40) or a nose bulge provided for a nose of the operator (10), characterized in that the hood further comprises at least one fixing device (50) arranged at an upper end (46) of the nose cut-out (40) or at the front end of the nose bulge for releasably fixing the lower border (22) of the visor opening (18) to the visor.