The Superman Costume Long Sleeve Sleeper Blanket Pajama in Boy Size 10/12 is a cozy and stylish one-piece pajama for young boys. Made from 100% polyester, it features long sleeves and is designed with the iconic Superman character in mind. The multi-color design adds a fun and vibrant touch, perfect for keeping kids warm during the winter, fall, and spring seasons. With its Superman branding and character family theme, this sleeper pajama is sure to be a hit with any young superhero fan.