Abstract: An adjustable width brassiere strap for selectively providing arm support of a brassiere includes an elongate central panel having a front end and a back end; a bottom pleat affixed along a first edge of the elongate central panel; a top pleat affixed along a second edge, opposite the first edge, of elongate central panel; and wherein the pleats and said central panel are affixed, one to another, et each of the ends of the central panel. In use, the brassier strap is adjustable from an otherwise “conventional” dimension to a “widened” dimension.