Pyjamas as sophisticated apparel is F.R.S – For Restless Sleepers' savoir faire, as seen in these Italian-made blue silk Zelos trousers. They are cut to a high-rise waist and a straight leg, featuring an all-over snake print that's enhanced by tonal piping and intricate stitching along the leg. Style them with a classic silk blouse and high-shine pumps for mid-week cocktails.