I haven`t seen them in the flesh but Marks are selling either 2 pairs of pure cotton pj`s or 2 cotton nightshirts or a mix of both on offer £20 for 2. Here`s the link.
http://www.marksandspencer.com/l/offers/buy-2-for-20-on-pyjamas-and-minishirts
buy any two sets in any size you want and you have two lovely pressies for £10 each..win win again on the high street