While KEEN is an American company founded in Portland, Oregon, not all KEEN footwear is manufactured in the United States. KEEN produces a range of footwear, and the manufacturing location can vary based on the specific model and style. Some KEEN products are made in the USA, while others may be produced in other countries to meet global demand. It is advisable to check the product details or contact KEEN directly to determine the origin of a particular pair of boots.