The requirements for protective clothing are specified in ISO/TS 22002-4:2013 Prerequisite programmes on food safety -- Part 4: Food packaging manufacturing:
13.4 Workwear and protective clothing
Personnel who work in or enter into production or storage areas shall wear work clothing that is fit for purpose, clean and in good condition.
Where applicable to the food safety risk, workwear shall not be used for any other purpose and shall not be stored in the same locker as personal clothing.
Workwear shall provide adequate coverage so that hair, perspiration and loose items cannot contaminate the packaging.
Where gloves are used for packaging contact, they shall be clean and in good condition.
NOTE Use of disposable gloves or hand sanitizers is preferred.
Personal protective equipment, where required, shall be designed to prevent packaging contamination and shall be maintained in hygienic condition.