Tim's eagle eyes spotted what looks to be a pair of prototype Reebok CrossFit Nano shoes on an athlete at Reebok CrossFit One.
It's hard to tell from this one snapshot, but the toe, tongue, and heel look different from those of the current model.
Can't wait to see this up close. But in the meantime, I need to go shopping for a new pair of shoes. My Game of Death shoes are thrashed.
[Source]