Yes! Anything that may give you an advantage or is barred from wear under AR 670-1 is forbidden. The following is an extract of FM 7-22 Appendix A:
Unless prescribed as part of the Soldier’s medical profile, the wearing of the following items are not authorized: nasal strips, weight lifting gloves, back braces, elastic bandages, or braces. Electronic devices are also not authorized (MP3 players, radios, cell phones, and compact disc players). AR 670-1, Wear and Appearance of Army Uniforms and Insignia, specifies the components of the IPFU ensemble