Flexible fabrics built for wherever the day stretches. All of our leggings are made of a polyester/spandex mix. Our leggings have 4 different sizes. Petite (fits a pant size 0-4), One Size (fits a pant size 6-12), Curvy (fits a pant size 14-22), Curvy Plus (fits a size 22-26). All of our leggings feature a 2.5" yoga waistband with a mini pocket for more comfort.