Here is a hand woven design leather Substance material (.sbs .sbsar). This is a fully procedural leather material created from scratch in Substance Designer. This outputs BaseColor, Roughness, Normal, Ambient Occlusion and height channels.

Several useful parameters are exposed in the graph including three colors, Hue Saturation Lightness, wrinkle details and leather detail.

Important notes:

Renders are created using the height output for displacement. If the result you see is not similar, please enable height output and tesselation/subdivision. Please note that this was created with the latest Substance Designer version as of writing (12.4.1) Compatibility with earlier versions is neither guaranteed or supported.