What type of (look/style/clothing/fashion) are they wearing in this video?

Is this a form of gothic clothing.
This is a very interesting look, and was wondering wear i could buy clothing like this.

if you have the time to check out their other videos they have some darker outfits that i am also interested in.

[[So what type of clothing are they wearing, and where can i buy them?]]
[[What is this form of fashion called]]

fashion clothing