From Flag LTD., the Men's Nathan Monk Strap Leather Dress Oxfords feature: Leather upper Premium stitch detailing Metal buckle for an adjustable fit Leather lining Featuring exclusive inno Vent ™ insole board technology with a breathable EVA Flex Zone "High Rebound" removable polyurethane comfort footbed with Nappa Glove leather lining 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.