Why Fans Love This Cap: Material : Garment washed 100% cotton for a soft feel Fit : Unstructured, relaxed Style : Adjustable back fabric strap (one size fits most) Bill : Curved The '47 Clean Up is a relaxed and curved, dad cap style made in a garment washed cotton that gives you a soft feel.  Considered by many to be the best fitting hat in the game, perfect for all day and all night, you won't want to take it off.