A washable diaper having an outer article with an inner liner system detachably coupled to the outer article. The outer article has front and back ends, with opposing side edges connecting the ends, and inner and outer surfaces, with at least one fastening mechanism on the inner surface proximate to at least one of the ends. The inner liner system has first and second ends and includes at least one washable article, so that when assembled with the outer article, the first and second ends of the inner liner system align with the front and back ends of the outer article to be detachably coupled. The inner liner system may also include a liner member and/or at least one absorbent pad, configured to be placed within the washable article. A method of assembly of the washable diaper having an outer article and inner lining system is also disclosed.
