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