To display hair and clothes, a double shader is used, as well as a two-sided display of polygons. Also, when creating hair in the engine, standard material settings were used.

Also note that the models have PBR textures and contain a number of simple and not very animations. It is easily converted to URP by means of unity, write a description of how to skin it.

Attention!

Carefully read the description of each product on a separate page, this is very important

Read carefully!

And don't be afraid to ask questions by email.

Below are links to the product pages from the package

Urban Zombie 8 

https://assetstore.unity.com/packages/3d/characters/creatures/urbanzombie8-249035

Urban Zombie 7

https://assetstore.unity.com/packages/3d/characters/humanoids/urbanzombie7-247295

Urban Zombie 6

https://assetstore.unity.com/packages/3d/characters/humanoids/urban-zombie-6-246517

Urban Zombie 5

https://assetstore.unity.com/packages/3d/characters/creatures/urbanzombie5-245156

Urban Zombie 4

https://assetstore.unity.com/packages/3d/characters/creatures/urbanzombie4-244351

Urban Zombie 3

https://assetstore.unity.com/packages/3d/characters/creatures/urbanzombie3-242975

Urban Zombie 2

https://assetstore.unity.com/packages/3d/characters/humanoids/urbanzombie2-241059

Urban Zombie 1

https://assetstore.unity.com/packages/3d/characters/humanoids/urbanzombie1-241236

Super Bonus

Mutant Soldier Heavy 

https://assetstore.unity.com/packages/3d/characters/creatures/mutant-soldier-heavy-168418