From Flag LTD., the Men's Nathan Leather Dress Oxfords feature: Leather upper Premium stitch detailing Waxy laces for lace-up detailing and ease of fit Leather lining "High Rebound" removable polyurethane comfort footbed with Nappa Glove leather lining Featuring exclusive inno Vent ™ insole board technology with a breathable EVA Flex Zone Featuring exclusive inno Flex ™ technology with a genuine leather outsole with gel rubber injection islands in the forepart for traction and stability Made in Brazil. Imported.