Abstract: A waistband assembly is provided including a woven stiffening strip having a smooth fused edge. The edge may be formed by an ultrasonic slitting process as the strip is made with a high thermoplastic content. Sufficient warp yarns are provided within the strip to insure adequate fusing along the edges. This prevents the fill from working its way out and thereby forming an irregularly shaped edge. A rough edge, which could damage the shell fabric of a garment, is accordingly avoided even after numerous dry cleanings. Because the edge is made from the same materials as the strip itself, it will last as long as the strip.