Don't just paint them black. Create a layer with a deep navy blue, lower the opacity, and add a slight Blur filter . This simulates the ink spreading under the dermis over years at sea.
Ensure you use the "Baker by Mesh Name" feature to avoid baker bleed between the pirate's pistol and his belt buckle.
Utilize the Auto-UV tile (UDIM) support if you are working on a hero character. This allows you to have a 4K texture for the face and separate 4K textures for the ornate coat, ensuring no loss in detail. 2. Weathered Fabrics: The Greatcoat
A pirate’s coat shouldn't look like it just came off the rack. Use the shaders to simulate the micro-fibers of heavy wool or silk.