NHL Mens Detroit Redwings Plaid Cotton Thermal Sleepwear / Pajama Pants 100% cotton 100% authentic NHL merchandise....Very high quality mens sleepwear - satisfaction guaranteed! Extremely high quality fabric: 100% cotton; Machine washable Two on-seam hand pockets for storage; Team signature elastic waistband for added comfort. Team logo embroidered on the left leg. Relaxed styling provides a comfortable and casual fit; Functional button fly for convenience.