For me these alternatives are things like switching jeans for cigarette trousers, swapping my standard knitted jumper for a silk blouse and
sophisticated neckerchief (which also doubles up as a super cosy scarf too), mixing a chic skirt and thick tights into the mix every now and then (I love this one), throwing in a jumper dress for good measure (almost as good as PJ's I assure you) and finally, mixing and matching my outerwear to keep it fresh.