https://www.safetygirl.com/3m-peltor-x-series-x4a-over-the-head-earmuffs.html
Low poly game-ready model. Ready for Unity, UE4 and other realtime engines. It has second uv-channel for the light baking. Texture set optimized for Unity(Albedo, Metalness-RGB channel, Smoothness-Alpha chanel and Normal uses OpenGL).