scene format:

Maya 2014

FBX

OBJ

Model:

Clean topology based on quads.

This model is completely UVunwrapped.

Material and Texture:

The aiSkin SSS shader is Assign to the face and body.

Ai_Standard shader is Assign to the other.

The coat texture res is 4096 4096.

Other parts texture res is 2048 2048.

The number of maps is 26.

You can change the shader type what you want base on the texture.

Hair:

Hair and beard using maya hair system.

Render:

Arnold render is used to render.

Lights in included in the maya scene.

Render Setting is OK.

Render directly you will get the image like preview picture.