Olian Kathy Underbelly Maternity Knit Plaid Pant Underbelly waistband is stretchy for maternity but also allows you to continue to wear these after baby is born Thicker than a legging but just as easy to wear Thin pleather piping details down the outside of each leg and across the bottom of the plaid inset in the rear Solid Fabric:65% Polyester 30% Rayon 5% Spandex Plaid Fabric: 95% Rayon 5% Spandex Dry Clean Sizing (order pre-pregnancy size) XS=0-2 S=4-6 M=8-10 L=12 XL=14