Our leggings are made from 75% nylon, 25% spandex which is dyed with non-toxic dyes. The suitable thickness makes it squat proof, non-see through and tear resistant, while the exquisite sewing provides a soft and comfortable wear during and after your pregnancy. The maternity pants are equipped of 4-Way stretch fabrics, which is breathable and sweat-wicking. It is close to the body without restraint, so that you can enjoy maximum freedom of movement even during your pregnancy.