Java Version 7 Update 45
When in first person mode, the skin's second layer on the arm is invisible, although it is enabled in Skin Customization...
First person view doesn't render extra arm layer.
sleeve texture not rendering in first person mode
First Person Hand is Incorrect
Skin "Armor" not showing up in in first-person view
Skin Viewing Glitches
Armor is not rendered in the first person view