 Regulations state that any clothing worn underneath, such as a T-shirt, leotard, or sports bra, should be black in colour as well.This "training uniform" can be worn by all members, whereas the other two uniforms are reserved only for those who have attained the rank of black belt.The first of the remaining two types of uniforms is essentially identical to the "training uniform" detailed above, but has a gold coloured fringe sewn along the bottom edge of the jacket.