These can't be found in shops, and were only handed out during competitions and at the premieres.

Here's the listings:
Men's

http://www.ebay.ie/itm/320833879128?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649

Women's

http://www.ebay.ie/itm/320833878789?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649

Thanks for checking it out :)
I'm willing to make offers, so send a pm!