You don't have to know Santa personally to sport these men's black pajama pants! The "OMG! Santa! I Know Him!" sleep pants feature a big, colorful graphic that has been professionally printed to ensure long-lasting print quality. The Elf fan apparel loungewear is black, and includes a drawstring waistband for maximum comfort and functionality. The sleep pants are made of 60% cotton and 40% polyester. They can be machine washed in cold water with like colors, then tumble dried for easy care. The Buddy the Elf pajama bottoms are an officially licensed product, and make a perfect gift for any Elf fan.