This is an Star Trek pajama pant! Space: The Final Frontier! Over the years, Star Trek has intrigued fans worldwide, from the early years of Star Trek The Original Series, the popular Star Trek The Next Generation, Star Trek Voyager, Star Trek: Deep Space Nine, to the newest installment Star Trek Discovery. These specific Star Trek pajama pants are great for all Trekkies and Original Series fans in specific! Each pair of pants features a large printed design of Spock as seen in the early years with the saying Live Long and Prosper! The pants feature a button fly, elastic stretch waistband, and 2 hand deep pockets! gift for fans of the classic Star Trek Tv series!! These are the best!