TL;DR: A leggings manufacturer should release more than one waist-and-hip measurement. A production-ready program needs six linked fit zones: waistband, abdomen, seat, gusset and crotch, knee, and ankle. Each zone must connect pattern shape, fabric stretch and recovery, seam behaviour, opacity, movement, and after-care dimensions. A&J International Apparel has provided cut-and-sew womenswear manufacturing in Dongguan,…