By default, it is located in the img folder within the main installation directory (e.g., C:\Program Files (x86)\KONAMI\Pro Evolution Soccer 2013\img ). The Role of dt03.img in Modding

PES 2013 Kits, Boots, and Logos Guide | PDF | Adidas - Scribd

It contains 3D head models and hair textures for thousands of players across all licensed and unlicensed leagues.