Steampunk Ankle Length Long Wool Coat!
http://www.fanplusfriend.com/beyond-the-end-of-time-steampunk-gothic-lolita-dandy-unisex-long-wool-coat-3colors/
Front decorated with retro & refined braid rope laces and gear wooden buttons, can be closed by zipper.
The match items (hat, corset, shorts and blouse) are in the same series "Beyond the End of Time":
http://www.fanplusfriend.com/tags/beyond-the-end-of-time