Pullover tops have princess seams and stitched hems. Leggings and pants have stitched hems and elastic casing at waist. Pattern has special easy-to-follow sewing instructions. FABRICS: Designed for two-way stretch fabrics with 75% stretch and greatest degree of stretch on lengthwise grain. Suggested Fabrics: Jerseys with spandex.For two-way stretch knits only.