Mens Stafford Fall / Winter Finest Polar Fleece Thermal Sleepwear / Pajama Pants - Red & Black Comfortable & lightweight fabric: 100% polar fleece polyester material; Machine washable. 100% authentic Stafford merchandise....Very high quality mens sleepwear - satisfaction guaranteed! Fabric covered elastic waistband with drawstrings for added comfort; Two hand pockets for storage. Relaxed styling provides a comfortable and casual fit; Functional button fly for convenience.