Whilst browsing for Trenchcoat lenses I came across this. Fuse have a considerable lineup including lenses for Trenchcoats (made with Zeis coatings). So anyone who's been searching for lenses for these, there is an alternative to getting them custom cut or waiting an eternity for a pair to appear.
http://www.fuselenses.com/oakley/trenchcoat.phperable line up
http://www.fuselenses.com/oakley/trenchcoat.phperable line up