Brooklyn art/design collective MSCHF created these very strange sneakers above that you can wear backwards or frontwards. From HighSnobiety:
It sports a wild upper that's open on both ends, allowing it to be worn either way, complete with two-way tongue.
Wear it with heel backwards and MSCHF's BWD shoe becomes a deliriously freakish sandal-sneaker with open toes. Reverse it and you've got a chunky mule of sorts, exposing the ankle and mostly hiding the foot.
Previously, they introduced a pair of boots modeled on medical boots:
