These are Star Trek Pajama pants! Space: the final frontier is the voyages of the starship Enterprise. It's continuing mission: to explore strange new worlds, to seek out new life and civilizations, to boldly go where no man has gone before! These Star Trek lounge pants feature an awesome design of 7 characters from The Next Generation series. There is Counselor Troi, Cheif Medical Doctor Crusher, Lieutenant Worf, Lieutenant Commander La Forge, Lieutenant Commander Data, Commander Riker, and Captain Picard. They are listed in regular men's sizing. The Model in the photos is 5'10" and is wearing a size Small. Please See Size Chart for the exact measurements. These are the best!