Seattle sports team color hat. This beanie is made with soft bulky acrylic yarn. You can throw this beanie into the wash if you want, but I wouldn't suggest it. This beanie is available in three sizes, newborn, teen/small adult and large adult. The first three pictures are of the teen/small adult size. The last two pictures are of the large adult size. The last three pictures are of the newborn size. Measurements of circumference of head: Newborn - 12" - 14" Teen/Small Adult - 20.5"-22.5" Large Adult - 213"-24" I have a big head and the large adult hat is a little loose on me. I got the yarn from a yarn shop when I went on a day trip to Seattle, Washington with a friend.