This Super Mario Boys Short Sleeve Top and Sleep Pants Pajama Set is a 2-piece ensemble perfect for boys aged 10-12. Made from 100% polyester, the set features a crew neck pullover top and matching pull-on pants, ideal for all seasons including winter, fall, and spring. The colorful design with a boy character theme is sure to delight any young fan of the popular Nintendo brand. Easy to care for with machine washable fabric, this pajama set provides comfort and style for a good night's sleep.