It is reinforced with stay or double stitching. Waistband is smooth, flat, and even. The casing is stitched accurately. Elastic lies smooth and fits properly. Belt is an even width, smooth, and neat.
Waistline is interfaced to prevent rolling.
Interfacing, Lining, Underlining Interfacing is used where necessary. It is of compatible weight and fiber. Interfacing is a suitable color and type for fabric. Lining ease has tuck at center back, sleeve, and lower hem edge. Interfacing is properly attached to garment.