The Slumber Project long sleeve tee and pajama pant set is made of 52% Cotton and 48% Polyester that is perfect for keeping you warm, cozy and good looking at bedtime or to casually lounge around. This pajama set features an elastic waistband that ensures total comfort and a personalized fit. Also features an adjustable contrast drawstring to give you a tailored and comfortable fit. Side pockets let you keep essentials close, such as chunky keys and cell phones. These pajamas are comfort fitting and never fail to keep you feeling warm all day long. Perfect for men of all sizes - X-Small to X-Large Our products are developed for convenience and ease of use. You can machine wash cold and then tumble dry low. The Slumber Project pajamas make for the perfect gift on special occasions for your loved ones and why not yourself?