NHL Tampa Bay Lightning MENS Cotton Sleepwear / Pajama Pants 100% cotton 100% authentic NHL merchandise, satisfaction guaranteed. EXCELLENT FABRIC: 100% cotton; High quality machine washable material. Team logo and team name printed allover the pants for a sporty look. Fabric covered elastic waistband with drawstrings for added comfort; Two hand pockets for storage. Relaxed styling provides a comfortable and casual fit; Functional button fly for convenience.