Nike and Fragment Design have teamed up for a collaborative pack, unveiled here called Nike Sock Dart. The unique shoe will come in four distinct colorways, and is set to be released this December, in conjunction with their other collab: the Nike Air Jordan 1 x Fragment Design sneaker.

“The first time I saw the Sock Dart — it wasn’t even a shoe. Tinker showed me a knit, like a sock, and explained they were going to put an outsole on it,” explains Fragment’s Hiroshi Fujiwara.

The preview images show the shoe in Fragment’s familiar Pool Aoyama olive colorway. However, this particular colorway will not be included in the upcoming release.