Because players loves to customize their characters and make them unique, I think this pack could be helpful (for example you can sell hats to players in your game store).
**Some tech details: **
Number of hats: 50 Props scaled to Epic skeleton: Yes Physically-Based Rendering: Yes Texture Size: 4096x4096 Collision: (Yes, automatically generated) Vertex Count: 66 (lowest) to 8610 (highest) LODs: No Number of Meshes: 54 Number of Materials and Material Instances: 58 Number of Textures: 164 Engine Compatibility: 4.9, 4.10, 4.11 Intended Platform: Windows, Linux, OS X