Tailored suits and trench coats are often worn by male characters in film noir, creating a sense of mystery and intrigue.

Chiaroscuro lighting is used in film noir to create a sense of mystery and atmosphere, often by casting long shadows and creating stark contrasts between light and dark.

Film noir costume design often emphasizes glamour and sophistication, with characters wearing elegant and stylish clothing, even in the midst of crime and danger.

The fedora hat is often worn by male characters in film noir to create a sense of mystery and intrigue, often concealing their faces and intentions.

Black and white is a common color palette used in film noir costume design, creating a sense of starkness and contrast.

Exaggerated silhouettes are often used in film noir costume design to emphasize the characters' emotions, such as their vulnerability, power, or desperation.

Pearl necklaces are often worn by female characters in film noir to create a sense of glamour and sophistication.

The trench coat is often worn by male characters in film noir to create a sense of mystery and intrigue, often concealing their weapons or other objects.

Wool and tweed are common fabrics used in film noir costume design, creating a sense of texture and weight.

Dark and muted colors are often used in film noir costume design to create a sense of mystery and atmosphere, often evoking a sense of danger and foreboding.

Geometric patterns are often used in film noir costume design to create a sense of order and control, often contrasting with the chaos and disorder of the film's narrative.

The cigarette is often used in film noir costume design to create a sense of mystery and intrigue, often suggesting a character's hidden motives or troubled past.

Fedora hats are often worn by male characters in film noir to create a sense of mystery and intrigue, often concealing their faces and intentions.

Contrasting colors are often used in film noir costume design to emphasize the characters' emotions, such as their conflict, tension, or inner turmoil.

Authentic period clothing is often used in film noir costume design to create a sense of realism and to evoke the time period in which the film is set.