Stay comfortable while you're sleeping, lounging around the house or hurling barrels at Super Mario with this men's onesie union suit pajamas. These outfits are perfect for staying cozy and warm. You can dress in style while attending a costume party, Trick or Treating, or even lounging around. This one-piece union suit has characters and scenes from the game throughout the suit and hood, zipper up the front, ribbed sleeve and leg cuffs. It makes a great gift for Nintendo fans.