Four-season Super 120s merino wool. Why so super? 120 is the measure of the yarn (the higher the number, the finer the yarn), and since 120 is one of the finest, our fabric boasts a silky-smooth finish and refined drape. Contrast-color interior piping at waistband. Belt loops. Zip fly. Slant pockets, back pockets. Import. Dry clean. Catalog/jcrew.com only.