Add some fun to his sleepwear with this Two-Piece Penguin Graphic Pajama Set from Cat and Jack. This boys' long-sleeve pajama set includes a solid-color gray tee and blue sleeping pants. The long-sleeve tee features six illustrations of penguins in various poses — such as skiing and surfing — with accompanying text. The blue sleeping pants are covered in allover penguin illustrations, adding playful flair. He'll love mixing and matching with other pajamas for various sleepwear looks, while the long-sleeve design helps him stay covered for warmth. Size: M. Gender: Male. Age Group: Kids.