Ward off the chilly winter winds with this double-thick knit hat. It's cute, it's cozy, and when you roll up the cuff, that's four layers of warm, yarny goodness covering your ears. It's not the softest hat, but it's comfortable. It fits a large adult head snugly, but would also work for a medium adult head. This hat is made of 100% acrylic yarn, so machine wash and tumble dry. Finished hat is about 9 inches across, unstretched (not counting the bulk of the cuff). It's about 12 inches long before the cuff, and when the cuff is rolled up it's about 8 1/2 inches long. It's good to note that it was made in a home with cats. It's also probably good to note that the seam and top are structurally sound, but they aren't quite as pretty as I had wanted them to be. Not saying this to nudge folks off buying this, and I don't think it's hugely noticeable, but as you can see in the second picture, it is a bit. But I just wanted to let you know.