based on this. <a href="http://www.youtube.com/watch?v=7pXlqTvDFF4<br" target="_blank" rel="nofollow">www.youtube.com/watch?v=7pXlqTvDFF4<br</a> />using standard helm since it looks like the most like an standard mining helm.
Tattered Cloth for the arms so sweat doesn't get on your pickaxe.
And Cloranthy ring for power mining