An arm for supporting a sensor (10), preferably a microphone, is disclosed. Preferably, the arm (7) is provided, in its one end, with an anchorage (15) for fixing on equipment worn by a user, the sensor being disposed at the opposing end of the arm. The arm (7), in the extended state, has a greater width than it does thickness. In addition, the arm includes a flexible material, whereby it is at least flexible about both longitudinal and transverse axes. In the unloaded state is freely self-supporting and that lead connections (14) necessary for the sensor extend along the arm. The arm (7) may be disposed on a hearing protector (3) or a breathing mask (1).
