SIZE - The Mens USS Enterprise Star Trek Sleep Pants are available in sizes XS - 3XL. MATERIAL - The Star Trek USS Enterprise Mens Clothing is made of a blend of cotton and polyester materials. OFFICIALLY LICENSED - The Mens Star Trek USS Enterprise Sleep Pants are officially licensed and 100% authentic. BRIGHT & BOLD - The Star Trek Mens Fan Apparel features a bright, bold graphic on the left leg of the pants. GREAT GIFT - The Mens Star Trek USS Enterprise Sleep Pants are a great gift for fans! Get ready to board the USS Enterprise in these USS Enterprise Star Trek Sleep Pants! The USS Enterprise Star Trek Mens Clothing is a pair of black mens Sleep Pants made of a cotton and polyester blend of materials and features a drawstring waistband for the perfect fit. The Mens Stark Trek USS Enterprise Sleep Pants features a bright, bold graphic on the leg of the pants printed with DTG technology for long-lasting color and quality. The USS Enterprise Star Trek Mens Fan Apparel is available in sizes XS - 3XL and is the perfect pair of sleep pants for any guy!