This is a paid asset, but now you can download Leather Material Pack by GameTextures for FREE, but please remember this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Detail this asset from Unity Store: Original Link
Leather Material Pack by GameTextures v1.5
A pack of 12 stunning Leather Materials built for Unity by the pros at GameTextures. Now updated with our latest version of GT Toolkit for HD and LW Render Pipelines!
These beautiful materials are optimized for use within Pro-Builder and inside of any other world building Unity package.
Each of these compiled materials includes: Albedo/Normal/Specular/Roughness/Normal/Height, and a pre-built custom material that is ready-to-go inside of your Unity Project.
If you find yourself needing more, check out our other assets!
Or you can head over to our Site and sign up for materials perfectly built to work with our GT Toolkit, use Coupon Code “toolkit” at signup for 40% off your first month.
For support or information, please go to: https://support.gametextures.com/