Roundtree & Yorke Mens Portuguese Douro Soft Flannel Pajama Pants. Size XLT. 100% Cotton. Colors in the pants are red, blue and white. Button fly. Drawstring. 2 slant pockets in front. Elastic waist. Portugal is the premier European flannel producer of the world. The exclusive Douro Soft flannel is woven in the hill country of northern Portugal by skilled craftsmen who select the highest quality yarns and carefully brush the fabric to raise a luxurious nap. The results is a flannel of exceptional strength and softness. New With Tag MSRP $49.50.