They could be made using a variety of techniques and materials; some styles were seen as more luxurious, and therefore reserved for the upper class, although both lower and upper-class people wore the shoes.
[1] They are very similar, especially in form, to jipsin, which are also traditional Korean woven shoes.
The difference lies primarily in materials; jipsin are typically made of straw, while mituri are made from a variety of materials, including hemp,[1] Cyperus exaltatus (왕골), or cattail.
[2] The shoes wore down easily; when going on a long journey, people would bring along extra pairs of mituri, depending on the expected amount of walking needed.
The shoes were woven using a mixture of hemp and human hair; they were created ritually by Lee's wife, likely to pray for Lee's recovery from illness.