2PCS SET Silk Couture Mens Luxurious Silk Pajamas Set includes Top & Pants L Blue Super comfy and stylish 2 piece sleepwear set made of a beautiful fabric: 90% silk and 10% micro-fiber. The micro-fiber element of the fabric provides structure to this silk garment and increases its lifespan. Full button down front closure for easy on and off; A chest pocket for holding small things. Sleep pants have elastic at waist to snug up the fit and create a cozy feel against your skin. You will own and wear these exquisite & comfortable pants for a very long time!