Woh check this out:
http://www.tottenhamhotspur.com/news/new-ua-2014-2015-kits-are-coming-230614/
Third kit before the season. Thank fuck, hated that FIFA come late September release bullshit.
Given that the 3rd kit release is SO far away, I'd be more willing to say that this is training gear. Maybe even failed training gear. It's very feasible.