Some of us wear pyjamas to bed, others prefer to slumber in their birthday suits, and we'll leave the decision to you – though every man should have some sleepwear for padding around the house in on a Saturday morning. Isaia 's set is cut from fluid stretch-silk satin that's soft, smooth and breathable. It's finished with red piping and fastens with mother-of-pearl buttons. Shown here with Derek Rose slippers. - - Midnight-blue stretch-silk satin - Shirt: camp collar, front patch pockets, red satin piping - Trousers: drawstring waistband, on-seam pockets, buttoned fly - Button fastenings - 95% silk, 5% elastane - Machine wash - Mother-of-pearl: Vietnam - Made in Italy