Typically, security requirements are identified to costume an employee's non-conformity and fit the job description, such as in the production line need to put shoes sneaker heels.
Typically, the security requirements are specified by safety apparel to be consistent and appropriate for the employee on the production line, such as the need to put shoes. I would not wear a coat because it's not food.
Usually based on security policies will enter dress for safety of employees to consistent and appropriate to the work, such as in the production line need to wear boots and shoes.