These unisex wool hats are one size fits most. They are made from Mary's Little Lambs wool to keep you cozy in the cooler months. The are available in two styles: self-lined or fleece lined. Self lined means it is double wool and polyester lined has a 4" lining fleece inside. The self lined can be folded or not. The fleece lined is worn without a fold. The hat is the natural color of the sheep.