Translucent pixels on the second/2nd layer of skins.

I'm currently on 1.11.4, but translucent pixels haven't worked for me since 1.9 or 1.10.

 

Below is listed 2 links for both versions of MC, Java and Bedrock. They are both labeled.

 

Click here for MCB's issue.

Sink!

Click here for the actual skin model.

Link!