To thrive as a Costume Trainee, you need a basic understanding of garment construction, fabric handling, and sewing techniques, often supported by a relevant diploma or coursework in costume or fashion design. Familiarity with sewing machines, pressing equipment, hand tools, and sometimes costume management software is highly beneficial. Strong attention to detail, teamwork, and effective communication are standout soft skills for this role. These skills and qualities are essential to ensure the successful creation, maintenance, and organization of costumes in busy production environments.