While it's not Material, Semantic UI React (http://react.semantic-ui.com/introduction) has been pretty fun to work with.
Re:Material Components Preview
by danappelxx on Friday December 16, 2016 @12:50AM
(#13191342)
Does that page seriously require es6 (in production)!?
I also had my fair share of experience with all the material-ui, react-mdl, materialize and what not. None of them is production ready. Even if you used plain mdl (which is by Google) there's so much missing like select, calendar, etc