NCAA Penn State Nittany Lions MENS Fall / Winter Plaid Pajama Pants 100% authentic NCAA merchandise, satisfaction guaranteed. EXCELLENT FABRIC: 60% cotton, 40% polyester; 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.