Cosplay help! Update

Ok so here's the deal, I want to make a cosplay for my Halloween costume this year. It's mainstream enough everyone will know who I am it's just....it calls for odd footwear. My question is, where can I find boots colors other than Brown, black, or grey?

I don't want to say to much cause I want it to be a surprise.
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Update:

Haha! I found a super cheap way to make the boots! It's freaking brilliant actually. Thank you Deviantart! I love you so

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