In this tutorial, you’ll learn how to:
• Build a basic cloth material
• Add a woven fabric normal map
• Tile the texture for extra detail
• Remove the plastic appearance
• Use the Cloth shading model
• Add realistic fabric fuzz lighting
https://dev.epicgames.com/community/learning/tutorials/GYKj/fortnite-how-do-you-make-a-cloth-shader-in-unreal-engine-5-7