Yes Goodyear handmade leather shoes are one of the top shoemaking technologies in the world. In order to ensure the value of the process and prolong the life cycle of the process, Goodyear handmade leather shoes have strict requirements on the production materials, and the inner heel must be made of real cowhide, especially genuine leather. Goodyear welt technology is named after Sir Charles Goodyear who invented Goodyear welt structure shoemaking technology. It has a history of nearly 200 years.