This is a sporty and lightweight hat. After washing, it feels a bit smaller. The circumference of the head opening is about 56cm, and it stretches a bit, so I think it's a free size. I'm a regular size woman, and while it used to be loose, it now feels a bit too snug. The length of the brim at the front is about 5.5cm. The brim all the way around is knitted, and the lining is cotton and a whitish color, but it's slightly discolored and shows signs of wear. I'm listing it because I think it's good for everyday use. For those who are not overly concerned about details and understand that this is a used and recycled item, thank you for your consideration.