EUC Theory Pintucked High-waist Pant in Stretch Cotton. Navy blue. Size 10. Theory pants feature pintucked detailing along the front for a streamlined slim fit. Finished with concealed zippers along the end of inner seams for a trendy look. Slim-straight style is made from a premium bi-stretch twill fabric (90% cotton; 10% elastane) that holds its shape over time. Side zip closure with stretch waist for comfortable, streamlined fit. Binding of 100% viscose.