Procedural Ripstop and Twill fabrics. The fabrics has been created procedurally in Substance Designer. The .sbsar file allow to tweak a large amount of parameters inside Substance Player and Painter and achieve a lot of different variations.
Documentation:
https://drive.google.com/drive/folders/1PUR4GX3zv_OM2ugAoeQC81HUwoduTFuB?usp=sharing