The Lean Manufacturing philosophy has been adopted in recent years by companies that have traditionally manufactured their products with artisanal processes and now seek to be competitive in today's market. The adaptation of the concepts established in this philosophy in the local industry has been one of the main limitations in the successful application of this philosophy. One of the most important measurements in the area of Lean Manufacturing is the OEE indicator, which indicates the real capacity to produce without defects. This article presents an adaptation of this indicator and its implementation in one of the industrial sectors with the greatest impact in the Mexican Bajío region, such as footwear manufacturing. This adaptation of the indicator can be applied to any company in this sector.