On frosty winter evenings, all you want to do is cuddle up on the couch: and, of course, you'll need the matching trousers. Our advice for all those who like things to be comfortable: The e.s. Norwegian sweat pants made of flexible cotton-stretch. This extra comfort is down to the elastic waist and leg cuffs, and also the lack of side seams. The result: an all-round sense of well-being.