PREMIUM SATIN FABRIC: These men's silk pajama pants are made of 95% polyester and 5% spandex. Soft and smooth to the touch, light and breathable. Wearing this silk pajama will make you feel like touching delicate skin ADJUSTABLE WAISTBAND: These silk pajama bottoms feature elastic with drawstrings for a freely adjustable waist, giving you maximum comfort and improving your sleep quality. TWO SIDE POCKETS help you to store your phone and other essentials WONDERFUL GIFT: Perfect for sleeping, casual wear, home, hanging out, and vacation. Suitable for all seasons. This pajama bottom is a great choice as a thoughtful gift for your family, your lover, or your friends on their birthdays or Christmas SIZE NOTE: Our pants are available in sizes S to XXL in a variety of colors, please check the SIZE CHART carefully before ordering GARMENT CARE: Machine wash or hand wash, tumble dry in the dryer on low temperature