This document is one part of the ISO 16976 series that provide information on factors related to human anthropometry, physiology, ergonomics, and performance for the preparation of standards for design, testing, and use of respiratory protective devices. This document contains information related to anthropometry. In particular, information is given for: —    anthropometric measurement methods; —    anthropometric data for head, face, and neck dimensions; —    anthropometric data for torso dimensions; —    human test panels; —    models of headforms.