Võ phục not necessarily adopted by all practitioners, as evidenced throughout 1973-1990 when many practitioners under a separate development of Vovinam, the "Viet Vo Dao Federation," wore black uniforms. By 1990, however, after further meetings between councils, indigo had been adopted by the majority of Vovinam practitioners in and outside of Vietnam. Deep blue/indigo (Vietnamese: Lam) is now the internationally accepted color of Vo Phuc for Vietnamese martial arts. The "võ phục" of Vovinam are very similar, if not nearly identical, to the "keikogi" of Japanese martial arts. Both top and bottom of the uniform are constructed in much the same way
Vovinam even further. The 5th to 10th degree blackbelt are shown as a completed red belt with 1 to 6 white stripes. <nowiki> </nowiki>White stands for the infiniteness, the bones; is the symbol of the depth of the spirit. The white belt assigns the master the absolute mastery of Vovinam Việt Võ Đạo. On the white belt thin, lengthwise stripes in blue, black, yellow and red symbolize the whole of Vovinam (Việt Võ Đạo) again. This belt is reserved for the "Chưởng Môn". Now, Vovinam has two different sets of belt ranking because of the different training program: The WVVF Vovinam