Big Duck Energy This hat is embroidered in the USA, so wear it proud! It's unstructured with a curved visor and adjustable strap, 100% washed cotton chino twill, unstructured, 6-panel, and low-profile. Adjustable strap with hide-away buckle, one size fits a wide range of head sizes (circumference: 19 ¼” - 23 ⅝”). Hats, Dad Hats, Baseball Hats, Rubber Duck, Big Duck, Cotton, Duck, Cotton Chinos, Dads