MCCALL'S M8631 is a paper sewing pattern for wide-leg pleated shorts and pants in sizes 18–26. Front and back pleats shape the design, while a fly-front zipper, hook-and-bar closure and side pockets add tailored function. Views A and C include a bow detail. Recommended fabrics include chino, cotton blends, poplin and twill, with lining and lightweight fusible interfacing. Sewing level: intermediate.