Sunrise Men's Polyester/Cotton Printed Satin Pajama Set-Long Pjs Fabric: 83%polyester17% cotton Wash in cool water with like colors. Dry on low heat only. Satin outside and cotton brushed inside,warm and comfortable The long sleeved shirt is classic in style, offering a notched collar and button front with contrast trim piping for added appeal Sleep pants come with an elastic waist and button closure for maximum comfort while sleeping or lounging See the product description (further down the page) for size guidelines