NCAA Washington State Cougars MENS Sleepwear Fall / Winter Pajama Pants 100% authentic NCAA merchandise, satisfaction guaranteed. EXCELLENT FABRIC: 100% cotton; High quality machine washable material. Team logo embrodiered on left leg for a sporty look. Two hand pockets; Fabric covered elastic waistband with inner drawstrings for added comfort. Relaxed styling provides a comfortable and casual fit; Functional button fly for convenience.