N2. Derek Rose Silk Pajamas: $1,300
It had to be a British brand in this list. The brand Derek Rose has been in the sleepwear business since 1926.
It made a name for itself as one of the most luxurious and expensive sleepwear brands in the world.
Among their clients is the Queen of England, for whom custom-made sleepwear is created for.
Derek Rose’s pajamas are made of soft cotton, silk or satin. The brand’s pure silk piped pajamas are priced at $1,300.
The silk pajamas come with a guarantee to last for many years, so your money will be well spent.