Get your little one excited for bedtime with this NASA pajama set for boys in sizes 4-5. This 2-piece set includes a short-sleeved shirt and shorts, both featuring a colorful design of a space shuttle and rocket. The pullover closure makes it easy for your child to dress themselves, and the polyester material is machine washable for hassle-free cleaning. Perfect for summer and spring, this novelty pajama set is a must-have for any young boy's sleepwear collection.