This European Standard provides guidance on the generic ergonomic characteristics related to personal protective equipment (PPE). It presents for the writers of PPE product standards, principles relating to: - anthropometric characteristics related to PPE; - the biomechanical interaction between PPE and the human body; - the thermal interaction between PPE and the human body; - the interaction between PPE and the human senses: vision; hearing; smell and taste; and skin contact. This European Standard does not cover requirements related to the specific hazard for which PPE is designed.