These pants by ASOS Maternity have been crafted from cotton-rich, stretch twill fabric. They come in a skinny fit with a medium-rise that sits higher at the back for a flattering fit. The details include: concealed fly fastening, ribbed jersey panels with internal adjusters designed to grow with your bump and fit throughout the main stages of pregnancy and twin patch pockets to the reverse. Fabric 1: 97% Cotton, 3% Elastane. Fabric 2: 50% Polyester, 48% Cotton, 2% Elastane.