Mens Warehouse One Comfortable Cotton Sleepwear / Pajama Pants 100% cotton 100% authentic Warehouse One merchandise....Very high quality mens sleepwear - satisfaction guaranteed! Extremely high quality fabric: 100% cotton; Machine washable. Fabric covered elastic waistband with drawstrings for added comfort. Two hand pockets for storage; Functional button fly for convenience. Relaxed styling provides a comfortable and casual fit.