a. Type. The vest is an optional purchase item.
b. Description. The materials are cotton twill, white; polyester and wool-blended fabrics in tropical, white; polyester and wool-blended fabrics in twill weave, white; or polyester-textured woven serge, white. The white vest is single- breasted, cut low with a rolling collar and pointed bottom, and fastened with three detachable, small white buttons.
c. How worn. Male personnel will wear the white vest when wearing the Army white evening mess uniform with formal accessories, and with the Army blue evening mess uniform.