Mass retail denim often degrades at size 16 and above, with cut-corners like shortened back rises that cause fabric to yank downward when the wearer bends over. A thorough plus size shorts fit guide reveals that Old Navy builds its size 18 through 28 patterns on unique plus-fit blocks rather than merely enlarging a straight size 8.
The back rise on sizes 18 to 24 extends to 16.5 inches. That extra room cradles the gluteal curve and stops the rear hemline from climbing upwards into cheek territory. The front tummy panel incorporates targeted stay-flat pocket lining that adds subtle smoothing without the squeeze of shapewear. Buyers with fuller lower bellies (an "apron" belly) should purchase their true numeric waist size rather than sizing down, as the rigid waistband seam offers zero give across the lower abdomen.
