Now it's freezing outside (or near enough, anyway), and with much of the UK stuck indoors after 10pm, cosy loungewear sets and pyjamas are an absolute must.And Primark's new £12 soft waffle co-ord sets are already proving popular with shoppers, with many claiming they're super cosy.Sharing a picture of the new release on Facebook, Primark said: "Our supersoft waffle sets have landed to make Monday evenings cosier.