100% Polyester Imported Drawstring Waist closure Machine Wash Sizing: all sizing follows standard regulations set by the national retail Federation for men's (S, M, L, XL, XXL) Comfort: made from soft and comfortable fabrics to ensure a cozy night's sleep and lounging! this item is 100 percent polyester Easy care: this product is crafted from high quality fabrics, making it incredibly easy to care for. To keep laundry headaches to a minimum and ensure items hold up after repeat washing, please use detergent