MCCALL'S M8639 is a paper sewing pattern for loose-fitting men's cargo pants in sizes 44–52. The pants sit 2.5 cm (1 in) below the waist and include a fly-front zipper, belt loops, cargo pockets, back flap pockets and length variations. Recommended fabrics include cotton canvas, denim and twill, with broadcloth, chambray or poplin for pocket lining and lightweight fusible interfacing. Sewing level: intermediate.