• it is best to avoid gender specific prescriptive requirements, for example, the requirement to wear high heels. Any requirement to wear make-up or skirts, have manicured nails, certain hairstyles or specific types of hosiery is likely to be unlawful. It further advises: “A dress code could be unlawful, for example, if it requires female employees to wear high heels, with all the discomfort and inherent health issues these can cause, because it treats women less favourably than men”; and