these are samples so you can get 4K and 2K full packs here:

<a href="https://flippednormals.com/downloads/70-cloth-and-fabric-alphas-2k/">https://flippednormals.com/downloads/70-cloth-and-fabric-alphas-2k/</a>

<a href="https://flippednormals.com/downloads/30-fabric-wrinkle-alphasnormal-v2-4k-2k-all-tileable/">https://flippednormals.com/downloads/30-fabric-wrinkle-alphasnormal-v2-4k-2k-all-tileable/</a>

Six Free Cloth & Fabric Alpha Maps

mohsen_ga

Brushes

3D-Coat

3ds Max

Blender

Maya

Substance 3D Painter

ZBrush

Mudbox

Alphas

Personal License