Designing car seats, sofas, armchairs or other 3D furniture in Blender? Don’t forget to pick up free 3D leather materials for your ArchViz. And don’t worry, no animals were harmed in the making of these high-resolution textures.
it is a rough leathe material, i used some shader for the realistic color and severl blender's inbuilt textures for the bump like a real leather.