Hat is clearly marked space cap. I have indicated a photo of the inside of the Hat which was made in the USA. It is for a small child. With across the hat is about 6 and 3/4 inches. It is in good condition. The best measures from side seam to side seam under the arm 13 and 1/2 in. From neck to the back of the helm is 10 and 1/2 in. It is black cotton with plastic embellishments and plastic silver buttons. The back is playing.