For some reason, I had my captain fox costume equipped but when I logged into the hub, it instead showed my default minecraft skin, and when I opened up my locker at the costume section, it instead said this
Hey there!
Thanks for taking the time to submit this report.
With the costume names in the image shown, I have logged this issue for our developers to look into.
As for the issue of you selecting your costume and observing it unequip when you log back in, this most likely occurred when we had a network issue 
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We believe this issue has been resolved, please submit a new bug report if you experience it again 
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