All PPE equipment should be designed and manufactured in a safe manner. They should be maintained in a reliable and clean fashion. It would in your best interest to acquire equipment that fits comfortably. It should encourage the workers to use it.
In the event of PPE equipment not fitting properly, it could make the difference between being dangerously exposed and safely covered. When work practice, engineering, and administrative controls may not be feasible or do not cater adequate protection, the employers should provide personal protective equipment to their workers. It would ensure the proper use of the equipment with the employees.